Metadata:
  Identification_Information:
    Citation:
      Citation_Information:
        Originator: Robert E. Powell
        Publication_Date: 2002
        Title:
          Geologic map and digital database of the Pinto Mountain 7.5
          minute quadrangle, Riverside County, California
        Edition: Version 1.0
        Geospatial_Data_Presentation_Form: Vector digital data
        Series_Information:
          Series_Name: U.S. Geological Survey Open-File Report
          Issue_Identification: 02-491
        Publication_Information:
          Publication_Place: Menlo Park, California
          Publisher: U.S. Geological Survey
        Online_Linkage: http://pubs.usgs.gov/of/2002/0491/
    Description:
      Abstract:
        This data set maps and describes the geology of the Pinto Mountain 7.5 minute
        quadrangle, Riverside County, southern California. The quadrangle, situated in
        Joshua Tree National Park in the eastern Transverse Ranges physiographic and
        structural province, encompasses parts of the northeastern Hexie Mountains,
        central Pinto Mountains, and central Pinto Basin.

        The quadrangle is underlain by a basement terrane comprising Proterozoic
        metamorphic rocks, Mesozoic plutonic rocks, and Mesozoic and Mesozoic and (or)
        Cenozoic hypabyssal dikes. The basement terrane is capped by a widespread
        Tertiary erosion surface preserved in remnants in the Hexie and Pinto Mountains
        and buried beneath Cenozoic deposits in Pinto Basin. Locally, a cover of
        Miocene sedimentary deposits and basalt overlie the erosion surface.
        Quaternary and (or) Tertiary lacustrine deposits crop out in the center of
        Pinto Basin and interfinger laterally with sandstone, conglomerate, and debris
        flows originating in the Pinto and Hexie Mountains.  A sequence of at least
        three Quaternary pediments is planed into the north piedmonts of the Hexie and
        Eagle Mountains, each in turn overlain by successively younger residual and
        alluvial, surficial deposits.  The Tertiary erosion surface is deformed and
        broken by north-northwest-trending, high-angle, dip-slip faults in the Pinto
        and Eagle Mountains and an east-west trending system of high-angle dip- and
        left-slip faults along the range fronts facing Pinto Basin. In and around the
        Pinto Mountain quadrangle, faults of the north-northwest-trending set displace
        Miocene sedimentary rocks and basalt deposited on the Tertiary erosion surface
        and some of the faults may offset Pliocene and (or) Pleistocene deposits that
        accumulated on the oldest pediment.  Faults of this system appear to be
        overlain by Pleistocene deposits that accumulated on younger pediments.
        East-west trending faults are younger than and perhaps in part coeval with
        faults of the northwest-trending set.

        The Pinto Mountain database was created using ARCVIEW and ARC/INFO, which are
        geographical information system (GIS) software products of Envronmental Systems
        Research Institute (ESRI). The database comprises eight coverages: (1) a geologic
        layer showing the distribution of geologic contacts and units; (2) a structural
        layer showing the distribution of faults (arcs) and fault ornamentation data
        (points); (3) a layer showing the distribution of dikes (arcs); structural point
        data layers showing (4) bedding attitudes, (5) foliation attitudes, (6)
        lineations, (7) minor fold axes; and (8) cartographic map elements, including
        unit label leaders and geologic unit annotation.  The dataset also includes a
        scanned topographic base at a scale of 1:24,000. Within the database coverages,
        geologic contacts , faults, and dikes are represented as lines (arcs and routes),
        geologic units as areas (polygons and regions), and site-specific data as points.
        Polygon, region, arc, route, and point attribute tables uniquely identify each
        geologic datum and link it to descriptive tables that provide more detailed
        geologic information.

        The digital database is accompanied by two derivative maps: (1) A portable
        document file (.pdf) containing a navigable graphic of the geologic map on a
        1:24,000 topographic base and (2) a PostScript graphic-file containing the
        geologic map on a 1:24,000 topographic base. Each of these map products is
        accompanied by a marginal explanation consisting of a Description of Map Units
        (DMU), a Correlation of Map Units (CMU), and a key to point and line symbols.
        The database is further accompanied by three document files: (1) a readme that
        lists the contents of the database and describes how to access it, (2) a pamphlet
        file that describes the geology of the quadrangle, and (3) this metadata file.
      Purpose:
        The data set for the Pinto Mountain quadrangle has been prepared by the Southern
        California Areal Mapping Project (SCAMP), a cooperative project sponsored jointly
        by the U.S. Geological Survey and the California Geological Survey. The Pinto
        Mountain data set represents part of an ongoing effort to create a regional GIS
        geologic database for southern California.  This regional digital database, in
        turn, is being developed as a contribution to the National Geologic Map Database
        of the National Cooperative Geologic Mapping Program of the USGS.  The Pinto
        Mountain database has been prepared in cooperation with the National Park Service
        as part of an ongoing project to provide Joshua Tree National Park with a geologic
        map base for use in managing Park resources and developing interpretive materials.

        The digital geologic map database for the Pinto Mountain quadrangle has been
        created as a general-purpose data set that is applicable to land-related
        investigations in the earth and biological sciences.  Along with geologic map
        databases in preparation for adjoining quadrangles, the Pinto Mountain database
        has been generated to further our understanding of bedrock and surficial processes
        at work in the region and to document evidence for seismotectonic activity in the
        eastern Transverse Ranges. The database is designed to serve as a base layer
        suitable for ecosystem and mineral resource assessment and for building a
        hydrogeologic framework for the Pinto Basin.
      Supplemental_Information:
        Map nomenclature and symbols

        Within the geologic map database, map units are identified by standard geologic
        map criteria such as formation-name, age, and lithology. The authors have
        attempted to adhere to the stratigraphic nomenclature of the U.S.  Geological
        Survey and the North American Stratigraphic Code, but the database has not
        received a formal editorial review of geologic names.

        Geologic map unit labels are present in three forms in the database. First, map
        unit labels are entered into the database through various items in the polygon
        attribute table, dike arc attribute table, and region attribute tables. Geologic
        map units are tabulated in items such as UNIT_LABEL and POLY_LABEL, where they are
        identified by plain-text unit labels (e.g., Qyam1, Prjgg). These labels do not
        show subscript offsets and do not contain conventional stratigraphic age symbols,
        i.e., Proterozoic appears as 'Pr'.  Second, for the purpose of plotting the map,
        the item PLOT_LABEL, located in the polygon attribute and map display tables,
        identifies the unit label as it is plotted by Arc/Info (e.g., Qyam1, <jgg), again
        without subscripts and containing substitute characters for conventional
        stratigraphic age symbols: Proterozoic appears as '<'. The substitute character in
        PLOT_LABEL invokes its corresponding symbol from the GeoAge font group to generate
        map plots that display conventional stratigraphic symbols. Third, annotation
        labels for map units, derived from the item PLOT_LABEL but showing subscripts
        (e.g., Qyam1), are stored in the annotation subclass anno.geo of the arc coverage
        pmtn_carto/.
    Time_Period_of_Content:
      Time_Period_Information:
        Range_of_Dates/Times:
          Beginning_Date: 1964
          Ending_Date: 2002
      Currentness_Reference: New data
    Status:
      Progress: Complete
      Maintenance_and_Update_Frequency: As Needed
    Spatial_Domain:
      Bounding_Coordinates:
        West_Bounding_Coordinate: -115.87509139
        East_Bounding_Coordinate: -115.74990861
        North_Bounding_Coordinate: 33.99999995
        South_Bounding_Coordinate: 33.87498418
    Keywords:
      Theme:
        Theme_Keyword_Thesaurus: USGS Thesaurus
        Theme_Keyword: geology
        Theme_Keyword: geologic maps
        Theme_Keyword: surficial geologic units
        Theme_Keyword: bedrock geologic units
        Theme_Keyword: geologic structure
        Theme_Keyword: metamorphic rocks
        Theme_Keyword: plutonic rocks
        Theme_Keyword: unconsolidated deposits
        Theme_Keyword: geospatial datasets
      Theme:
        Theme_Keyword_Thesaurus: none
        Theme_Keyword: fault
        Theme_Keyword: erosion surface
        Theme_Keyword: pediment
        Theme_Keyword: soil
        Theme_Keyword: alluvial deposits
        Theme_Keyword: dike
        Theme_Keyword: batholith
        Theme_Keyword: metamorphic rocks
        Theme_Keyword: plutonic rocks
        Theme_Keyword: hypabyssal rocks
      Theme:
        Theme_Keyword_Thesaurus: ISO 19115 Topic Categories
        Theme_Keyword: geoscientificInformation
      Place:
        Place_Keyword_Thesaurus: none
        Place_Keyword: southern California
        Place_Keyword: Riverside County
        Place_Keyword: Joshua Tree National Park
        Place_Keyword: eastern Transverse Ranges
        Place_Keyword: Pinto Mountains
        Place_Keyword: Hexie Mountains
        Place_Keyword: Pinto Basin
        Place_Keyword: Pinto Mountain 7.5' quadrangle
        Place_Keyword: Hexie Mountains 15' quadrangle
        Place_Keyword: Eagle Mountains 30' x 60' quadrangle
      Place:
        Place_Keyword_Thesaurus: Augmented FIPS 10-4 and FIPS 6-4
        Place_Keyword: f06065 = Riverside
      Stratum:
        Stratum_Keyword_Thesaurus: None
        Stratum_Keyword: Pinto Gneiss
        Stratum_Keyword: Granite of Pinto Wash
        Stratum_Keyword:
          Porphyritic quartz monzonite, monzogranite, and granodiorite
          of San Bernardino Wash
        Stratum_Keyword: Sedimentary strata of Pinto Basin
        Stratum_Keyword: Quartzite of Pinto Mountain
        Stratum_Keyword: Dolomite of Iron Chief mine
        Stratum_Keyword: Alluvium
    Access_Constraints: None
    Use_Constraints:
      Spatial Resolution.  Use of this digital geologic map should not violate the
      spatial resolution of the data. The Pinto Mountain geologic map and database was
      developed using digital orthophotograph quarter quadrangles (DOQQs) as a base.
      DOQQs have a pixel resolution of 1 m and are accurate to a scale of 1:12,000 (1
      in = 1,000 ft). Any enlargement beyond 1:12,000 exceeds the spatial resolution of
      the geologic data and should not be used in lieu of a more detailed site-specific
      geologic evaluation.  Similarly, the digital topographic base map is derived from
      the U.S.  Geological Survey, 1:24,000-scale Pinto Mountain 7.5 minute quadrangle
      (provisional edition, 1986); any enlargement beyond 1:24,000 exceeds the spatial
      resolution of the topographic data. Plotting or viewing of the data at scales
      larger than 1:12,000 on the DOQQ base, or larger than 1:24,000 on the topographic
      base, will not yield greater real detail, although it may reveal fine-scale
      irregularities below the intended resolution of the database.  Where the geologic
      data is used in combination with the topographic data, the resolution of the
      combined output is limited by the lower resolution of the topographic data.
      Where this database is used in combination with other data of higher resolution,
      the resolution of the combined output will be limited by the lower resolution of
      these data.

      Content.  This database, identified as "Geologic map and digital database of the
      Pinto Mountain 7.5 minute quadrangle, Riverside County, California" has been
      approved for release and publication by the Director of the U.S.  Geological
      Survey. Although this database has been subjected to rigorous review and is
      substantially complete, the USGS reserves the right to revise the data pursuant
      to further analysis and review.  Furthermore, it is released on the condition
      that neither the USGS nor the United States Government may be held responsible
      for any damages resulting from its authorized or unauthorized use. This database
      is preliminary and has not been reviewed for conformity with U.S. Geological
      Survey editorial standards or with the North American Stratigraphic Code. Any use
      of trade, product, or firm names is for descriptive purposes only and does not
      imply endorsement by the U.S. Government.

      Faults.  The Pinto Mountain database is sufficiently detailed to identify and
      characterize many actual and potential geologic hazards represented by faults,
      but it is not sufficiently detailed for site-specific determinations or
      evaluations of these features.  Faults shown do not take the place of
      fault-rupture hazard zones designated by the California State Geologist (see, for
      example, Hart, 1988; Hart and Bryant, 1997).

      Hart, E. W., 1988, Fault-rupture zones in California; Alquist-Priolo Special
      Studies Zones Act of 1972 with index to special studies zones maps (revised,
      1988): California Division of Mines and Geology Special Publication 42.

      Hart, E. W., and Bryant, W.A., 1997, Fault-rupture zones in California;
      Alquist-Priolo Special Studies Zones Act of 1972 with index to special studies
      zones maps (revised, 1997): California Division of Mines and Geology Special
      Publication 42.
    Point_of_Contact:
      Contact_Information:
        Contact_Person_Primary:
          Contact_Person: Robert E. Powell
          Contact_Organization: U.S.Geological Survey, Western Region, Earth Surface Processes Team
        Contact_Position: Project geologist
        Contact_Address:
          Address_Type: mailing address
          Address:
            U.S. Geological Survey
            Room 202
            West 904 Riverside Avenue
          City: Spokane
          State_or_Province: Washington
          Postal_Code: 99201-1087
          Country: USA
        Contact_Voice_Telephone: (509) 368-3120
        Contact_Facsimile_Telephone: (509) 368-3199
        Contact_Electronic_Mail_Address: rpowell@usgs.gov
    Browse_Graphic:
      Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2002/0491/images/pmtn.gif
      Browse_Graphic_File_Description: Reduced-size image of the entire map sheet, 400x313 pixels, 50k bytes
      Browse_Graphic_File_Type: JPEG
    Browse_Graphic:
      Browse_Graphic_File_Name: http://pubs.usgs.gov/of/2002/0491/pdf/pmtn_map.pdf
      Browse_Graphic_File_Description: Printable representation of the map sheet, 7.6 megabytes
      Browse_Graphic_File_Type: PDF
    Data_Set_Credit:
      Pamela Cossette prepared the digital data set.

      Geologic mapping, topical studies, and digital preparation for this report were
      sponsored jointly by the following: (1) the National Cooperative Geologic Mapping
      Program of the U.S.  Geological Survey, (2) California Geological Survey, and (3)
      the National Park Service (Joshua Tree National Park).

      This database was prepared in the GIS laboratory at the Spokane Field Office of
      the USGS in Spokane, Washington.  The facility is maintained primarily by the
      Mineral Resource Surveys Program and supported in part by the National Geologic
      Mapping Program.

      Technical review by Fred K. Miller has led to significant improvements in the
      database and in the map plot file.  Digital review by Rachel Hauser Alvarez has
      allowed us to further improve the digital database.
    Native_Data_Set_Environment:
      SunOS, 5.8, sun4u UNIX
      ARC/INFO version 8.1
    Cross_Reference:
      Citation_Information:
        Originator: Robert E. Powell
        Publication_Date: 2001
        Title:
          Geologic map and digital database of the Conejo Well 7.5 minute quadrangle,
          Riverside County, California
        Geospatial_Data_Presentation_Form: map
        Series_Information:
          Series_Name: U.S. Geological Survey Open-File Report
          Issue_Identification: 01-31
        Publication_Information:
          Publication_Place: Menlo Park, California
          Publisher: U.S. Geological Survey
        Online_Linkage: http://pubs.usgs.gov/of/2001/of01-031/
    Cross_Reference:
      Citation_Information:
        Originator: Robert E. Powell
        Publication_Date: 2001
        Title:
          Geologic map and digital database of the Porcupine Wash 7.5 minute quadrangle,
          Riverside County, California
        Geospatial_Data_Presentation_Form: map
        Series_Information:
          Series_Name: U.S. Geological Survey Open-File Report
          Issue_Identification: 01-30
        Publication_Information:
          Publication_Place: Menlo Park, California
          Publisher: U.S. Geological Survey
        Online_Linkage: http://pubs.usgs.gov/of/2001/0030/
  Data_Quality_Information:
    Attribute_Accuracy:
      Attribute_Accuracy_Report:
        This initial version of the Pinto Mountain geologic map database relies
        extensively on interpretation of aerial photographs; field study of bedrock units
        was conducted in the context of smaller-scale regional mapping and field study of
        surficial deposits has been minimal. The map represents the state of knowledge for
        the quadrangle and provides a basis for gathering additional field data to resolve
        questions raised in making the map.  Attributes assigned to regions, polygons,
        lines, and points in the Pinto Mountain database are reasonably accurate as
        determined by the normal range of checks and balances applied in making a geologic
        map by a combination of hands-on and remote field observation, sampling, and
        interpretation of aerial photographs.  Additional field investigation, however, is
        required to verify the accuracy of polygon (map unit) attributes and to establish
        relations among units. Where anomalous descriptive characteristics lead to
        particular uncertainty of unit assignment of a polygon, the polygon is included
        within the region feature subclass IDENT, where it is assigned a value of
        "questionable" in the item UNIT_IDENT.  In the Pinto Mountain quadrangle, this
        attribution has been used chiefly for unit assignments of unvisited polygons that
        appear anomalous on aerial photographs.
    Logical_Consistency_Report:
      Polygon and chain-node topology present.

      The areal extent of the map is represented digitally by an appropriately projected
      (Polyconic projection), mathematically generated box.  Consequently, polygons
      intersecting the lines that comprise the map boundary are closed by that boundary.
      Polygons internal to the map boundary are completely enclosed by line segments
      which are themselves a set of sequentially numbered coordinate pairs.  Point data
      are represented by coordinate pairs.
    Completeness_Report:
      The geologic map and digital database of the Pinto Mountain 7.5 minute quadrangle
      contain new data that have been subjected to rigorous review and are a
      substantially complete representation of the current state of knowledge concerning
      the geology of the quadrangle.
    Positional_Accuracy:
      Horizontal_Positional_Accuracy:
        Horizontal_Positional_Accuracy_Report:
          Geologic lines are considered to be accurately located if the linear geologic
          features that they represent are discrete, well exposed, and the horizontal
          location of the line representing the feature is judged to lie within limits
          defined by national map accuracy standard. These standards are 1/50 in or +/-40
          ft (12 m) for features located on 1:24,000 scale topographic maps and 1/30 in or
          +/-33.3 ft (10 m) for features located on 1:12,000 scale digital orthophotograph
          quarter quadrangles (DOQQs). Linear features are considered discrete if they are
          sharply defined with a width less than or equal to 1/100 in at scale of map (20
          ft for features located on 1:24,000 scale topographic maps and 10 ft for features
          located on 1:12,000 scale DOQQs).

          Geologic lines that are not discrete (e.g., gradational or transitional
          contacts), are not well exposed, or cannot be located within the limits defined
          by the national map accuracy standard are considered to be approximately located.
          Linear features in the Pinto Mountain geologic map database are represented as
          solid, dashed, and dotted lines. Using a DOQQ base, linear features represented
          by solid lines are located to within 33.3 ft (10 m) or less of their position on
          the ground.  Linear features represented as dashed or dotted lines may or may not
          be located to within 10 m of their position on the ground. Linear features
          represented by dotted lines are concealed beneath overlying mapped units.

          The accuracy of point features in the Pinto Mountain database is +/-10 ft for
          points located on the DOQQ base,  +/-33 ft for points located on a 1:24,000-scale
          topographic base, and  +/-52 ft for points located on a 1:62,000-scale
          topographic base.  Contacts between lithologic domains that make up surficial
          deposits as mapped on the DOQQs typically are readily located to within 10 m, but
          to make domains that can be resolved at 1:24,000 contacts are often drawn by
          approximating the dominant unit on a percentage basis. Interspersal of well- and
          approximately located segments is common among the many thousands of contacts
          present in the Pinto Mountain quadrangle. Given that many quadrangles are being
          mapped in a relatively short time interval, it was deemed too time-consuming to
          distinguish well-located and approximately located contacts between surficial
          deposits; therefore, all surficial contacts are represented as approximately
          located and shown with a dashed line symbol.
    Lineage:
      Process_Step:
        Process_Description:
          Geologic mapping for Ph.D. dissertation (Powell, 1981), supported in part by U.S.
          Geological Survey Earthquake Hazards Program, and in part by the National Science
          Foundation grants (EAR 76-23153 and EAR 74-00155) awarded to Leon T. Silver at the
          California Institute of Technology.  Bedrock units and faults mapped in field on
          1:36,000 true-color aerial photographs (USGS, 1973), compiled onto a 1:62,500
          topographic base map of the Hexie Mountains 15' quadrangle (1963, paper copy), then
          reduced onto a 125,000 topographic base (base-stable mylar greenline).  Bedrock
          units in the Hexie Mountains quadrangle were mapped, described, and interpreted by
          conducting field traverses and interpolating between the traverses by
          interpretation of aerial photographs. This mapping was part of a regional study of
          the geology and structure of the eastern Transverse Ranges province south of the
          Pinto Mountain fault.

          Powell, R.E., 1981, Geology of the crystalline basement complex, eastern Transverse
          Ranges, southern California: Constraints on regional tectonic interpretation [Ph.D.
          thesis]: Pasadena, California Institute of Technology, 441 p.

          USGS, 1973, True color aerial photographs labeled GS-SE.  Photographs taken along
          northwest-southeast oriented flight lines covering the eastern Transverse Ranges
          south of the Pinto Mountain fault. Lines flown at moderate to low sun-angle in
          October 1973; scale 1:36,000.
        Process_Date: 1973-1981
      Process_Step:
        Process_Description:
          Additional observations were made in bedrock units of the Hexie Mountains
          quadrangle during the course of ongoing geologic studies in the eastern Transverse
          Ranges province (Powell, 1993).

          Powell, R.E., 1993, Balanced palinspastic reconstruction of pre-late Cenozoic
          paleogeology, southern California: Geologic and kinematic constraints on evolution
          of the San Andreas fault system, in Powell, R.E., Weldon, R.J., II, and Matti,
          J.C., eds., The San Andreas fault system: Displacement, palinspastic
          reconstruction, and geologic evolution: Geological Society of America Memoir 178,
          p. 1-106.
        Process_Date: 1982-1995
      Process_Step:
        Process_Description:
          The geologic map and database for the Pinto Mountain quadrangle was generated by
          combining the bedrock mapping of previous process-steps with new, larger-scale
          mapping both of bedrock units and surficial deposits.  The new mapping is based
          chiefly on interpretation of 1:24,000 color photographs (USGS, 1998), 1:40,000 NAPP
          infrared color photographs (USGS, 1996), and 1:80,000 NHAP infrared color
          photographs (USGS, 1983-1984) with minimal new fieldwork at this stage.  Using
          ARCVIEW and its Image Analysis extension, geologic contacts, faults, and dikes were
          mapped on georeferenced USGS digital orthophotograph quarter quadrangles (DOQQs).
          The lines generated in ARCVIEW were assigned basic attributes and exported to
          ARCINFO where a line-polygon coverage was generated for the geology layer. This
          coverage was exported back to ARCVIEW as line and polygon shape files. Polygons
          were assigned their basic attributes in ARCVIEW and re-exported to ARCINFO for more
          complete attribution in the full coverage. Polygons in the coverage are attributed
          to generate the plot-file map. These plot-file map units, as well as other mapped
          units and aggregates of units that are included in the database but not shown on
          the plot-file map, are further attributed as region features (groups of polygons).
          Polygons were aggregated into regions to facilitate the identification, description
          and subsequent display of either individual rock units or stratigraphic groups of
          units at various hierarchical levels.  Arcs representing fault segments were
          transferred to a separate coverage and aggregated into routes.

          USGS, 1998, True color aerial photographs labeled J.T.N.P.  Photographs taken
          along east-west oriented flight lines covering part of Joshua Tree National Park
          in Pinto Basin and parts of the Coxcomb, Pinto, Eagle, Cottonwood, Hexie, and
          Little San Bernardino Mountains. Lines flown at high sun-angle in May 1998; scale
          1:24,000.
        Process_Date: 1997-2002
      Process_Step:
        Process_Description:
          The source of the base hypsography, hydrography, and culture for the geologic map
          is the U.S. Geological Survey, 1:24,000-scale topographic map of the Pinto
          Mountain 7.5 minute quadangle (provisional edition, 1986).  The topographic map
          was photographically reproduced on scale-stable clear film.  The resulting
          blackline photo-positive image was scanned at 500 dpi using an Anatech Eagle 4080
          monochrome 800 dpi rasterizing scanner.  The raster scan was imported into
          ARC/INFO, registered and rectified to the Pinto Mountain quadrangle, and saved in
          GEOTIFF format. Topographic elements on the base map are geospatially located by
          this process, but no features are attributed. The topographic base map is provided
          for locational reference only.
        Process_Date: 2000
      Process_Step:
        Process_Description:
          To provide a topographic base for the geologic map, the monochromatic raster scan
          file and the geologic map coverages were converted to ARC/INFO grids, and merged,
          resulting in the topographic and cultural information drawn in gray and the
          geologic map unit colors drawn with their respective colors.  The combined map is a
          digital image in which geologic and topographic lines and points are displayed in
          their proper geospatial locations, but for which no information other than location
          is attached to the lines and points.
        Process_Date: 2002
      Process_Step:
        Process_Description:
          Structural measurements were assembled from three sources. Some measurements of
          bedding, foliation, lineation, and minor fold axes were located by transferring
          locations from the 1973 USGS true color aerial photographs (1:36,000) to the
          digital orthophotograph quarter quadrangles (1:12,000) in ARCVIEW and exporting
          them to ARCINFO, where the measurement attributes were entered from azimuths
          recorded in field notes. Other locations of foliation and bedding measurements were
          transferred from 1:24,000 unpublished field maps of R.A. Hope (University of
          California, Los Angeles, 1964-1966) to stable-base greenline of the Pinto Mountain
          7.5 minute quadrangle and digitized using an Altek Datatab digitizer. Still other
          foliation locations were transferred from an unpublished geologic map of the Hexie
          Mountains 15 minute quadrangle by R.A. Hope (University of California, Los Angeles,
          1964-1966; U.S. Geological Survey, 1966-1969). Measurement attributes of Hope's
          data were entered from azimuths recorded in field notes, where available, or by
          measuring azimuths from strike-and-dip symbols on his maps.
        Process_Date: 2002
      Process_Step:
        Process_Description:
          First draft of metadata created by Cossette using FGDCMETA.AML ver. 1.2 05/14/98
          on ARC/INFO data set /pool5/pool1/cossette/1_joshua/1_pinto/pm_geo1026a
        Process_Date: 20011029
      Process_Step:
        Process_Description: Creation of original metadata record
        Process_Date: 20030908
        Process_Contact:
          Contact_Information:
            Contact_Organization_Primary:
              Contact_Organization: U.S. Geological Survey
              Contact_Person: Pamela M. Cossette
            Contact_Position: Geographer
            Contact_Address:
              Address_Type: mailing address
              Address:
                U.S. Geological Survey
                West 904 Riverside Avenue
              City: Spokane
              State_or_Province: Washington
              Postal_Code: 99201-1087
              Country: USA
            Contact_Voice_Telephone: 509-368-3123
            Contact_Facsimile_Telephone: 509-368-3199
            Contact_Electronic_Mail_Address: pcossette@usgs.gov
  Spatial_Data_Organization_Information:
    Direct_Spatial_Reference_Method: Vector
    Point_and_Vector_Object_Information:
      SDTS_Terms_Description:
        SDTS_Point_and_Vector_Object_Type: Point
        Point_and_Vector_Object_Count: 3303
      SDTS_Terms_Description:
        SDTS_Point_and_Vector_Object_Type: String
        Point_and_Vector_Object_Count: 8523
      SDTS_Terms_Description:
        SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains
        Point_and_Vector_Object_Count: 3304
  Spatial_Reference_Information:
    Horizontal_Coordinate_System_Definition:
      Planar:
        Map_Projection:
          Map_Projection_Name: Polyconic
          Polyconic:
            Longitude_of_Central_Meridian: -115.8125
            Latitude_of_Projection_Origin: 33.875
            False_Easting: 0.0
            False_Northing: 0.0
        Planar_Coordinate_Information:
          Planar_Coordinate_Encoding_Method: coordinate pair
          Coordinate_Representation:
            Abscissa_Resolution: 0.000001
            Ordinate_Resolution: 0.000001
          Planar_Distance_Units: Meters
      Geodetic_Model:
        Horizontal_Datum_Name: North American Datum of 1927
        Ellipsoid_Name: Clarke 1866
        Semi-major_Axis: 6378206.4
        Denominator_of_Flattening_Ratio: 294.98
  Entity_and_Attribute_Information:
    Overview_Description:
      Entity_and_Attribute_Overview:
        The Geologic Map and Digital Database of the Pinto Mountain 7.5 minute quadrangle
        includes eight double precision ARCINFO coverages: pmtn_geo (geology); pmtn_flt
        (faults and structural line ornamentation); pmtn_dk (dikes); str_bedding,
        str_foliation, str_lineatn, and str_mnrflds (structural point data); and
        pmtn_carto (cartographic elements, geologic unit annotation and leaders).
        Geospatial entities in ARC/INFO coverages have the following software-defined
        attributes: <cover>.pat contains AREA, PERIMETER, cover#, and cover-ID;
        <cover>.aat contains FNODE#, TNODE#, LPOLY#, RPOLY#, LENGTH, cover#, and
        cover-ID.  User-defined attributes are described in detail below.

        (1) The coverage pmtn_geo includes the following feature tables: (a) A polygon
        attribute table (pmtn_geo.pat) that lists labels for the geological
        characteristics and identifies plot labels for the rock units represented in the
        Postscript (.ps) and Portable Document Format (.pdf) plotfiles of the geologic
        maps; (b) Region subclass attribute tables that describe the geospatial
        distribution of rock units represented in the Postscript (.ps) and Portable
        Document Format (.pdf) plotfiles of the geologic maps (pmtn_geo.patrockunit), the
        hierarchical array of stratigraphic parents of rock units in the crystalline
        basement (pmtn_geo.patbasement1, pmtn_geo.patbasement2, pmtn_geo.patbasement3,
        pmtn_geo.patbasement4), the hierarchical array of stratigraphic parents of rock
        units in sedimentary and volcanic cover to the basement rocks
        (pmtn_geo.patcover1, pmtn_geo.patcover2), and the hierarchical array of
        stratigraphic parents of surficial units (pmtn_geo.patsurficial1,
        pmtn_geo.patsurficial2, pmtn_geo.patsurficial3, pmtn_geo.patsurficial4,
        pmtn_geo.patsurficial5).  This hierarchy of stratigraphic units can be related in
        ArcInfo, ArcMap or ArcView to display or plot more generalized, derivative
        geologic maps than that represented in Postscript (.ps) or Portable Document
        Format (.pdf) files.  (c) A region subclass attribute table that describes
        surface units (veneers) (pmtn_geo.patsurfunit).  (d) A region subclass attribute
        table that describes mixed surface units (pmtn_geo.patmxd_surfunit). (e) A region
        subclass attribute table that shows those areas where unit identification is
        uncertain (pmtn_geo.patident).  (f) An arc attribute table (pmtn_geo.aat) that
        describes the contacts that bound rock-unit polygons.

        (2) The coverage pmtn_flt contains and displays the complete distribution of
        fault features within the extent of the Pinto Mountain quadrangle.  Structural
        line ornamentation is included in this layer as point data.  Faults are
        characterized in two route attribute tables (pmtn_flt.ratsegment and
        pmtn_flt.ratfault).

        (3) The coverage pmtn_dk includes an arc attribute table (pmtn_dk.aat) that
        describes hypabyssal dikes. Dikes are planar intrusive features that intersect
        the Earth's surface as linear features; they are represented as lines where their
        surface widths are too narrow to be represented as areal features at a scale of
        1:24,000.

        (4) The coverages str_bedding, str_foliation, str_lineatn, and str_mnrflds
        include point attribute tables (<cover_name>.pat) that describe geologic
        structural point data, including the types and orientation of bedding, foliation,
        lineation, and minor fold axes, respectively. Annotation subclasses (anno.dip -
        planar data, anno.plunge - non-planar data) display the dip or plunge value
        associated with each point datum.

        (5) The coverage pmtn_carto includes both geologic unit symbol annotation and an
        arc attribute table (pmtn_carto.aat) that displays annotation leaders.  Unit
        symbols placed outside the perimeter of a particular polygon are identified by
        annotation leaders.
      Entity_and_Attribute_Detail_Citation: http://pubs.usgs.gov/of/2002/0491/pdf/pmtn_pamph.pdf
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.pat
        Entity_Type_Definition:
          Polygon attribute table that stores alphanumeric symbols for units that
          characterize lithologic type, surface veneer, landform, and age of earth materials
          represented by each polygon.  In addition, the table stores coded stratigraphic
          unit symbols.
      Attribute:
        Attribute_Label: POLY_LABEL
        Attribute_Definition:
          List of alphanumeric symbols that describe geologic characteristics of earth
          materials represented by each polygon: this attribute is used for data entry.

          Concealed units listed in parentheses, surface units in <brackets>.

          Map units are described in region feature subclasses.
      Attribute:
        Attribute_Label: SURF_LABEL
        Attribute_Definition:
          Alphanumeric symbol for surface material represented by polygon (unique in this
          dataset)
      Attribute:
        Attribute_Label: ROCK_LABEL
        Attribute_Definition: Alphanumeric symbol for rock unit represented by polygon (unique in this dataset)
      Attribute:
        Attribute_Label: POLY_IDENT
        Attribute_Definition:
          An expression of confidence that a map unit represented by a particular polygon has
          been correctly identified (certain, likely, or questionable)
      Attribute:
        Attribute_Label: GMPH_LABEL
        Attribute_Definition:
          Alphanumeric symbol for geomorphic unit represented by polygon (unique in this
          dataset).
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: f
            Enumerated_Domain_Value_Definition: fan
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: fp
            Enumerated_Domain_Value_Definition: proximal fan
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: fm
            Enumerated_Domain_Value_Definition: medial fan
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: fd
            Enumerated_Domain_Value_Definition: distal fan
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: vb
            Enumerated_Domain_Value_Definition: valley bottom
      Attribute:
        Attribute_Label: PLOT_LABEL
        Attribute_Definition:
          Coded symbols used to plot label of geologic units shown on geologic map in
          Postscript (.ps) and Portable Document Format (.pdf) files.  Item can be related to
          data table, display.plt.
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patrockunit
        Entity_Type_Definition:
          Geologic units contained in the database that are displayed on the geologic map
          in the Postscript (.ps) and Portable Document Format (.pdf) files
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Jmiu
            Enumerated_Domain_Value_Definition: Mafic and intermediate intrusive suite, undivided (Jurassic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Jmid
            Enumerated_Domain_Value_Definition: Mafic and intermediate intrusive suite, dark unit (Jurassic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Jpw
            Enumerated_Domain_Value_Definition: Granite of Pinto Wash (Late or Middle Jurassic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Jsbp
            Enumerated_Domain_Value_Definition:
              Porphyritic quartz monzonite, monzogranite, and granodiorite of San Bernardino
              Wash (Middle Jurassic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prid
            Enumerated_Domain_Value_Definition: Dolomite of Iron Chief mine (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prjgg
            Enumerated_Domain_Value_Definition: Granite gneiss of Joshua Tree (Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prjgr
            Enumerated_Domain_Value_Definition: Porphyritic granite of Joshua Tree (Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prjmr
            Enumerated_Domain_Value_Definition: Metamorphosed regolith (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpgdu
            Enumerated_Domain_Value_Definition: Pinto Gneiss, dark unit, undivided (Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpgl
            Enumerated_Domain_Value_Definition: Pinto Gneiss, leucocratic granitic orthogneiss (Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prppu
            Enumerated_Domain_Value_Definition:
              Metasedimentary and (or) metamorphosed hydrothermally altered rocks of Pinkham
              Canyon, undivided (Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prppw
            Enumerated_Domain_Value_Definition: Siliceous granofels of Wilson Canyon (Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpqgd
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, dark gray unit (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpqgl
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, light gray unit (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpqp
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, pelitic unit (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpqw
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, white unit (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpq1
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, Unit 1 (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpq2
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, Unit 2 (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpq3
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, Unit 3 (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpq4
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, Unit 4 (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpq5
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, Unit 5 (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpq6
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, Unit 6 (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpq7
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, Unit 7 (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpq8
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, Unit 8 (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpq9
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, Unit 9 (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: QTcq
            Enumerated_Domain_Value_Definition: Conglomerate, quartzite-clast (Quarternary and (or) Tertiary)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: QTpbc
            Enumerated_Domain_Value_Definition:
              Sedimentary strata of Pinto Basin, conglomerate beds (Pleistocene and (or)
              Pliocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: QTpbd
            Enumerated_Domain_Value_Definition:
              Sedimentary strata of Pinto Basin, debris flow deposits (Pleistocene and (or)
              Pliocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: QTpbl
            Enumerated_Domain_Value_Definition: Sedimentary strata of Pinto Basin, lacustrine beds (Pleistocene and (or) Pliocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: QTpbs
            Enumerated_Domain_Value_Definition: Sedimentary strata of Pinto Basin, sandstone beds (Pleistocene and (or) Pliocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: QTsu
            Enumerated_Domain_Value_Definition: Sedimentary deposits, undivided (Quaternary and (or) Tertiary)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qcu
            Enumerated_Domain_Value_Definition: Colluvial deposits, undivided (Quaternary)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qoam1
            Enumerated_Domain_Value_Definition: Old alluvial deposits, middle unit 1 (middle and early Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qoam2
            Enumerated_Domain_Value_Definition: Old alluvial deposits, middle unit 2 (middle? Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qoam3
            Enumerated_Domain_Value_Definition: Old alluvial deposits, middle unit 3 (late Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qoamu
            Enumerated_Domain_Value_Definition: Old alluvial deposits, middle unit, undivided (Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qoay
            Enumerated_Domain_Value_Definition: Old alluvial deposits, young unit (Holocene? and late Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qoc1
            Enumerated_Domain_Value_Definition: Old colluvial deposits, Unit 1 (Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qoc2
            Enumerated_Domain_Value_Definition: Old colluvial deposits, Unit 2 (Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qocu
            Enumerated_Domain_Value_Definition: Old colluvial deposits, undivided (Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qvoa
            Enumerated_Domain_Value_Definition: Very old alluvial deposits (early Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qvya1
            Enumerated_Domain_Value_Definition: Very young alluvial deposits, Unit 1 (late Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qvya2
            Enumerated_Domain_Value_Definition: Very young alluvial deposits, Unit 2 (late Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qvyau
            Enumerated_Domain_Value_Definition: Very young alluvial deposits, undivided (late Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyamg1
            Enumerated_Domain_Value_Definition: Young alluvial deposits, middle unit, gravelly facies 1 (middle Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyamg2
            Enumerated_Domain_Value_Definition: Young alluvial deposits, middle unit, gravelly facies 2 (middle Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyamgu
            Enumerated_Domain_Value_Definition: Young alluvial deposits, middle unit, gravelly facies, undivided (middle Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyams
            Enumerated_Domain_Value_Definition: Young alluvial deposits, middle unit, sandy facies (middle Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyamu
            Enumerated_Domain_Value_Definition: Young alluvial deposits, middle unit, undivided (middle Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyaog1
            Enumerated_Domain_Value_Definition:
              Young alluvial deposits, old unit, gravelly facies 1 (middle and (or) early
              Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyaog1r
            Enumerated_Domain_Value_Definition:
              Young alluvial deposits, old gravelly facies 1, rough surface (middle and (or)
              early Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyaog2
            Enumerated_Domain_Value_Definition: Young alluvial deposits, old gravelly facies 2 (middle and (or) early Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyaog2r
            Enumerated_Domain_Value_Definition:
              Young alluvial deposits, old gravelly facies 2, rough surface (middle and (or)
              early Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyaogu
            Enumerated_Domain_Value_Definition:
              Young alluvial deposits, old gravelly facies, undivided (middle and (or) early
              Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyaos
            Enumerated_Domain_Value_Definition:
              Young alluvial deposits, old oxidized sandy unit (middle and (or) early Holocene
              and late Pleistocene?)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyau
            Enumerated_Domain_Value_Definition: Young alluvial deposits, undivided (Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyass
            Enumerated_Domain_Value_Definition: Young alluvial sand-skirt deposits (Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyayg
            Enumerated_Domain_Value_Definition: Young alluvial deposits, young gravelly facies (late and (or) middle Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyays
            Enumerated_Domain_Value_Definition: Young alluvial deposits, young sandy facies (late and (or) middle Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyayu
            Enumerated_Domain_Value_Definition: Young alluvial deposits, young unit, undivided (late and (or) middle Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qvyye
            Enumerated_Domain_Value_Definition: Very young and (or) young eolian deposits (Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qvyyp
            Enumerated_Domain_Value_Definition: Very young and (or) young playa deposits (Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Ts
            Enumerated_Domain_Value_Definition: Sedimentary deposits (late? and middle Miocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Tb
            Enumerated_Domain_Value_Definition: Basalt (late and middle Miocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: TJdu
            Enumerated_Domain_Value_Definition: Dike rocks, undivided (Tertiary, Cretaceous, and (or) Jurassic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: TJh
            Enumerated_Domain_Value_Definition: Hypabyssal intrusive rocks (Tertiary, Cretaceous, or Jurassic)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patbasement1
        Entity_Type_Definition: First-order stratigraphic parents of crystalline basement rock units
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Jmi
            Enumerated_Domain_Value_Definition: Mafic and intermediate intrusive suite
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Jsb
            Enumerated_Domain_Value_Definition:
              Quartz monzonite, monzogranite, and granodiorite of San Bernardino Wash
              (Middle Jurassic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prjg
            Enumerated_Domain_Value_Definition: Porphyritic granite and granite gneiss of Joshua Tree (Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpp
            Enumerated_Domain_Value_Definition:
              Metasedimentary and (or) metamorphosed hydrothermally altered rocks of Pinkham
              Canyon (Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpqg
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain, gray unit (Middle or Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpq1-4
            Enumerated_Domain_Value_Definition:
              Quartzite of Pinto Mountain, Units 1 to 4, undivided (Middle or Early
              Proterozoic)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patbasement2
        Entity_Type_Definition: Second-order stratigraphic parents of crystalline basement rock units
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpgd
            Enumerated_Domain_Value_Definition: Pinto Gneiss, dark unit (Early Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpq
            Enumerated_Domain_Value_Definition: Quartzite of Pinto Mountain (Middle or Early Proterozoic)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patbasement3
        Entity_Type_Definition: Third-order stratigraphic parents of crystalline basement rock units
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prems
            Enumerated_Domain_Value_Definition:
              Metasedimentary rocks of Eagle Mountains assemblage (Middle or Early
              Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prpg
            Enumerated_Domain_Value_Definition: Pinto Gneiss of Miller, 1938 (Early Proterozoic)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patbasement4
        Entity_Type_Definition: Fourth-order stratigraphic parents of crystalline basement rock units
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Pre
            Enumerated_Domain_Value_Definition: Eagle Mountains assemblage (Proterozoic)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Prhga
            Enumerated_Domain_Value_Definition: Gneiss assemblage of Hexie Mountains (Early Proterozoic)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patsurficial1
        Entity_Type_Definition: First-order stratigraphic parents of surficial rock units
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyamg
            Enumerated_Domain_Value_Definition: Young alluvial deposits, middle gravelly facies (Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyaog
            Enumerated_Domain_Value_Definition: Young alluvial deposits, old gravelly facies (Holocene)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patsurficial2
        Entity_Type_Definition: Second-order stratigraphic parents of surficial rock units
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qoam
            Enumerated_Domain_Value_Definition: Old alluvial deposits, middle unit (Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyam
            Enumerated_Domain_Value_Definition: Young alluvial deposits, middle unit (middle Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyao
            Enumerated_Domain_Value_Definition: Young alluvial deposits, old unit (middle and early Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyay
            Enumerated_Domain_Value_Definition: Young alluvial deposits, young unit (late and middle Holocene)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patsurficial3
        Entity_Type_Definition: Third-order stratigraphic parents of surficial rock units
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qoa
            Enumerated_Domain_Value_Definition: Old alluvial deposits (Holocene? and Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qvya
            Enumerated_Domain_Value_Definition: Very young alluvial deposits (late Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qya
            Enumerated_Domain_Value_Definition: Young alluvial deposits (Holocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qoc
            Enumerated_Domain_Value_Definition: Old colluvial deposits (Pleistocene)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patsurficial4
        Entity_Type_Definition: Fourth-order stratigraphic parents of surficial rock units
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qovoa
            Enumerated_Domain_Value_Definition: Old and very old alluvial deposits (Pleistocene)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qvyya
            Enumerated_Domain_Value_Definition: Very young and young alluvial deposits (Holocene)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patsurficial5
        Entity_Type_Definition: Fifth-order stratigraphic parents of surficial rock units
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qa
            Enumerated_Domain_Value_Definition: Alluvial deposits (Quaternary)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qc
            Enumerated_Domain_Value_Definition: Colluvial deposits (Quaternary)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: QTa
            Enumerated_Domain_Value_Definition: Alluvial deposits (Quaternary and (or) Tertiary)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patcover1
        Entity_Type_Definition: First-order stratigraphic parents of cover rock units
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: QTpb
            Enumerated_Domain_Value_Definition: Sedimentary strata of Pinto Basin (Pleistocene and (or) Pliocene)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patcover2
        Entity_Type_Definition: Second-order stratigraphic parents of cover rock units
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: QTs
            Enumerated_Domain_Value_Definition: Sedimentary deposits (Pleistocene and (or) Pliocene)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patsurfunit
        Entity_Type_Definition: Surface units (veneers)
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Surface unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qvyye
            Enumerated_Domain_Value_Definition: Discontinuous Qvyye veneer on mapped unit
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qocu
            Enumerated_Domain_Value_Definition: Discontinuous Qocu veneer on mapped unit
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qyams
            Enumerated_Domain_Value_Definition: Continuous Qyams veneer on underlying Qyaos unit
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qocu, Qvyye
            Enumerated_Domain_Value_Definition: Discontinuous Qvyye and Qocu veneers on mapped unit
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patmxd_surfunit
        Entity_Type_Definition: Mixed surface units (veneers)
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Surface unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: Qocu, Qvyye
            Enumerated_Domain_Value_Definition: Discontinuous Qvyye and Qocu veneers on mapped underlying unit
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.patident
        Entity_Type_Definition: Confidence in rock-unit identification
      Attribute:
        Attribute_Label: UNIT_IDENT
        Attribute_Definition:
          An expression of confidence that the rock unit areas encompassed by the region
          have been identified correctly.
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: questionable
            Enumerated_Domain_Value_Definition:
              Identity of unit is attributed as questionable where unit assignment based on
              interpretation of aerial photographs is uncertain.
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_geo.aat
        Entity_Type_Definition:
          Geologic contacts, including fault contacts, that bound rock-unit polygons and
          map boundary
      Attribute:
        Attribute_Label: CLASS_TYPE
        Attribute_Definition: Classification of contact by type
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: cartographic, map boundary
            Enumerated_Domain_Value_Definition:
              The map boundary forms part of the perimeter of polygons that occur along the
              margins of the map.
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: contact
            Enumerated_Domain_Value_Definition:
              Boundary between two rock units; formed as fault, intrusive border, bedding
              plane, or unconformity
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: facies boundary
            Enumerated_Domain_Value_Definition:
              Intra-unit lithologic boundary between coeval deposits derived either from
              different source terranes or from different drainage basins in the same source
              terrane
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: fault-line scarp
            Enumerated_Domain_Value_Definition: Steep slope formed by differential erosion along a fault line
      Attribute:
        Attribute_Label: CLASS_ORIG
        Attribute_Definition: Classification of contact by origin
      Attribute:
        Attribute_Label: MOD_SEQ
        Attribute_Definition: Sequence of processes by which contact has been modified
      Attribute:
        Attribute_Label: CLASS_ALT
        Attribute_Definition: Alternative classification of type of contact
      Attribute:
        Attribute_Label: AGE_PREF
        Attribute_Definition: Preferred age of contact
      Attribute:
        Attribute_Label: AGE_LINEAGE
        Attribute_Definition: Hierarchical age list of linear feature
      Attribute:
        Attribute_Label: DESCRIPTION
        Attribute_Definition: Contact description
      Attribute:
        Attribute_Label: SYMB
        Attribute_Definition:
          Coded integer symbol that relates arc to cartographic line symbol in
          lineset (geoscamp2.lin)
      Attribute:
        Attribute_Label: DEFINITION
        Attribute_Definition: Degree to which contact is discrete
      Attribute:
        Attribute_Label: EXPOSURE
        Attribute_Definition:
          An expression of how well a contact is represented by a line (discrete or
          nondiscrete)
      Attribute:
        Attribute_Label: SOURCE_DATA
        Attribute_Definition: Data source for contact
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_flt.aat
        Entity_Type_Definition: Faults
      Attribute:
        Attribute_Label: CLASS_TYPE
        Attribute_Definition: Classification of fault by type (fault)
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: fault
            Enumerated_Domain_Value_Definition:
              Surface or zone of surfaces separating two bodies of rock and across which one
              body has slid past the other
      Attribute:
        Attribute_Label: CLASS_ALT
        Attribute_Definition: Alternative classification of fault
      Attribute:
        Attribute_Label: EXPOSURE
        Attribute_Definition: Degree to which fault is exposed
      Attribute:
        Attribute_Label: LOCATION
        Attribute_Definition: Accuracy of horizontal position of fault on input base map
      Attribute:
        Attribute_Label: SYMB
        Attribute_Definition:
          Coded integer symbol that relates arc to cartographic line symbol in lineset
          (geoscamp2.lin)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_flt.ratsegment
        Entity_Type_Definition: Fault segments: Arcs between or extending from fault intersections
      Attribute:
        Attribute_Label: FLTSEG_ID
        Attribute_Definition: Unique identification of fault segment
      Attribute:
        Attribute_Label: ANGLE
        Attribute_Definition: Classification by angle of dip
      Attribute:
        Attribute_Label: SEPARATION
        Attribute_Definition: Classification by separation on fault segments
      Attribute:
        Attribute_Label: SLIP
        Attribute_Definition: Classification by slip on fault segment
      Attribute:
        Attribute_Label: FLT_LITH
        Attribute_Definition: Lithologic material that constitutes fault segment
      Attribute:
        Attribute_Label: AGE
        Attribute_Definition: Age interval during which movement has occurred along fault segment
      Attribute:
        Attribute_Label: FLTSEG_DFN
        Attribute_Definition:
          An expression of how well a fault segment is represented by a line (discrete or
          nondiscrete)
      Attribute:
        Attribute_Label: BASIS
        Attribute_Definition: Basis for representation of fault segment
      Attribute:
        Attribute_Label: CONFIDENCE
        Attribute_Definition: An expression of confidence that a fault segment has been correctly identified
      Attribute:
        Attribute_Label: SOURCE
        Attribute_Definition: Data source for fault segment
      Attribute:
        Attribute_Label: FLTSEG_DSC
        Attribute_Definition: Description of fault segment
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_flt.ratfault
        Entity_Type_Definition: Faults, fault strands, fault zones, fault systems, and fault groups
      Attribute:
        Attribute_Label: SEPARATION
        Attribute_Definition:
          Classification by separation on fault, fault strand, fault zone, fault system or
          fault group
      Attribute:
        Attribute_Label: SLIP
        Attribute_Definition:
          Classification by slip on fault, fault strand, fault zone, fault system or fault
          group
      Attribute:
        Attribute_Label: AGE
        Attribute_Definition:
          Age interval during which movement occurred on fault, fault strand, fault zone,
          fault system or fault group
      Attribute:
        Attribute_Label: FLTNAME
        Attribute_Definition: Name of fault, fault strand, fault zone, fault system or fault group
      Attribute:
        Attribute_Label: MECH_REG
        Attribute_Definition: Classification of fault by mechanical regime
      Attribute:
        Attribute_Label: KINEM_REG
        Attribute_Definition: Classification of fault by kinematic regime
      Attribute:
        Attribute_Label: TECT_GEN
        Attribute_Definition: Genetic classification of fault by tectonic system
      Attribute:
        Attribute_Label: FLT_DESC
        Attribute_Definition: Description of fault, fault strand, fault zone, fault system or fault group
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_dk.aat
        Entity_Type_Definition: Dikes
      Attribute:
        Attribute_Label: SYMB
        Attribute_Definition:
          Coded integer symbol that relates arc to cartographic line symbol in lineset
          (geoscamp2.lin)
      Attribute:
        Attribute_Label: UNIT_LABL
        Attribute_Definition: Rock-unit label
        Attribute_Domain_Values:
          Enumerated_Domain:
            Enumerated_Domain_Value: TJdu
            Enumerated_Domain_Value_Definition: Dike, undivided (Tertiary, Cretaceous, or Jurassic)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: str_bedding.pat
        Entity_Type_Definition:
          Planar structural point data showing bedding orientation (strike, dip, direction of
          dip)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: str_foliation.pat
        Entity_Type_Definition:
          Planar structural point data showing foliation orientation (strike, dip, direction
          of dip)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: str_lineatn.pat
        Entity_Type_Definition: Linear structural point data showing lineation orientation (bearing, plunge)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: str_mnrflds.pat
        Entity_Type_Definition: Linear structural point data showing minor fold axis orientation (bearing, plunge)
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: ru_summ.dsc
        Entity_Type_Definition: Table that summarizes name, age, origin, and lithology of rock units.
      Attribute:
        Attribute_Label: UNIT_LABEL
        Attribute_Definition: Alphanumeric symbol
      Attribute:
        Attribute_Label: UNIT_NAME
        Attribute_Definition: Name of rock unit
      Attribute:
        Attribute_Label: AGEPAR_LS
        Attribute_Definition:
          List of age names in parent lineage of rock unit stratigraphic age indicated
          in unit label
      Attribute:
        Attribute_Label: AGE_LABEL
        Attribute_Definition: Name of stratigraphic age of rock unit indicated in unit label
      Attribute:
        Attribute_Label: AGECHLD_LS
        Attribute_Definition:
          List of names in child lineage of rock unit stratigraphic age indicated in
          unit label
      Attribute:
        Attribute_Label: ARCH_LEVEL
        Attribute_Definition:
          Present-day architectural level of rock unit (crystalline basement, cover,
          surficial deposit, surface veneer)
      Attribute:
        Attribute_Label: ENVIR_ORIG
        Attribute_Definition:
          Hierarchical list of classification terms for origin and environment of
          formation of rock unit
      Attribute:
        Attribute_Label: UNIT_TYPE
        Attribute_Definition: Type of rock unit
      Attribute:
        Attribute_Label: ROCK_FORM
        Attribute_Definition: Form or landform of rock unit body
      Attribute:
        Attribute_Label: LITH_GROUP
        Attribute_Definition: List of parent lithologic groups to which rock unit belongs
      Attribute:
        Attribute_Label: LITH_PRINC
        Attribute_Definition: Principal lithologic components of rock unit
      Attribute:
        Attribute_Label: LTH_SUBORD
        Attribute_Definition: Subordinate lithologic components of rock unit
      Attribute:
        Attribute_Label: LITH_MINOR
        Attribute_Definition: Minor lithologic components of rock unit
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: display.plt
        Entity_Type_Definition:
          Data table that stores display criteria and data (rock unit colors/SHD,
          patterns/SHDFIL) to facilitate plotting of derivative maps. Symbolsets
          represented are: scamp2.shd (colors), geology2.shd (patterns).
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: overlay.lut
        Entity_Type_Definition:
          Data (lookup) table that stores symbols that allow surface veneers to be
          represented as pattern overlays.
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: mxd_overlay.lut
        Entity_Type_Definition:
          Data (lookup) table that stores symbols that allow mixed surface veneers to be
          represented as pattern overlays.
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: colors
        Entity_Type_Definition: An INFO relate created by the map author relating display.plt by UNIT_LABEL
    Detailed_Description:
      Entity_Type:
        Entity_Type_Label: pmtn_carto.aat
        Entity_Type_Definition: Annotation leaders and rock_unit labels derived from pmtn_geo.pat, plot_label
      Attribute:
        Attribute_Label: SYMB
        Attribute_Definition:
          Coded integer symbol (1) that relates arcs to cartographic line symbol in lineset
          (geoscamp2.lin)
  Distribution_Information:
    Distributor:
      Contact_Information:
        Contact_Organization_Primary:
          Contact_Organization: U.S. Geological Survey Information Services
        Contact_Address:
          Address_Type: mailing address
          Address: Box 25286 Denver Federal Center
          City: Denver
          State_or_Province: CO
          Postal_Code: 80225
          Country: USA
        Contact_Voice_Telephone: 303-202-4700
        Contact_Facsimile_Telephone: 303-202-4693
    Distribution_Liability:
      The U.S. Geological Survey (USGS) provides these geographic data "as is."  The USGS
      makes no guarantee or warranty concerning the accuracy of information contained in the
      geographic data.  The USGS further makes no warranties, either expressed or implied as
      to any other matter whatsoever, including, without limitation, the condition of the
      product, or its fitness for any particular purpose.  The burden for determining
      fitness for use lies entirely with the user.  Although these data have been processed
      successfully on computers at the USGS, no warranty, expressed or implied, is made by
      the USGS regarding the use of these data on any other system, nor does the fact of
      distribution constitute or imply any such warranty.

      In no event shall the USGS have any liability whatsoever for payment of any
      consequential, incidental, indirect, special, or tort damages of any kind, including,
      but not limited to, any loss of profits arising out of use of or reliance on the
      geographic data or arising out of delivery, installation, operation, or support by
      USGS.

      This digital, geologic map database of the Pinto Mountain 7.5'quadrangle, and any
      derivative maps thereof, is not meant to be used or displayed at any map scale larger
      than 1:12,000 on the DOQQ base or 1:24,000 on the topograhic base.
    Standard_Order_Process:
      Digital_Form:
        Digital_Transfer_Information:
          Format_Name: ARCE
          Format_Version_Number: 8.x
          Format_Information_Content: Geologic units and structural features
          File_Decompression_Technique: gzip and tar
          Transfer_Size: 7.1
        Digital_Transfer_Option:
          Online_Option:
            Computer_Contact_Information:
              Network_Address:
                Network_Resource_Name: http://pubs.usgs.gov/of/2002/0491/pmtn.tar.gz
      Fees: none
  Metadata_Reference_Information:
    Metadata_Date: 20160610
    Metadata_Contact:
      Contact_Information:
        Contact_Person_Primary:
          Contact_Person: Peter N Schweitzer
          Contact_Organization: USGS Midwest Area
        Contact_Position: Collection manager, USGS Geoscience Data Clearinghouse, http://geo-nsdi.er.usgs.gov/
        Contact_Address:
          Address_Type: mailing address
          Address:
            Mail Stop 954
            12201 Sunrise Valley Dr
          City: Reston
          State_or_Province: VA
          Postal_Code: 20192-0002
          Country: USA
        Contact_Voice_Telephone: 703-648-6533
        Contact_Facsimile_Telephone: 703-648-6252
        Contact_Electronic_Mail_Address: pschweitzer@usgs.gov
    Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
    Metadata_Standard_Version: FGDC-STD-001-1998
    Metadata_Access_Constraints: none
    Metadata_Use_Constraints: none