Metadata: Identification_Information: Citation: Citation_Information: Originator: E. E. Brabb Originator: S. E. Graham Originator: C. Wentworth Originator: D. Knifong Originator: R. Graymer Originator: J. Blissenbach Publication_Date: 1997 Title: Geologic map of Santa Cruz county, California: A digital database Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: 97-489 Online_Linkage: http://pubs.usgs.gov/of/1997/of97-489/ Description: Abstract: This Open-File report is a digital geologic map database. This digital map database is prepared from a previously published map by Brabb (1989). The geologic map database delineates map units that are identified by general age, lithology and clast size following the stratigraphic nomenclature of the U. S. Geological Survey. Purpose: To provide a digital database of the Santa Cruz county, California to the public Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1997 Currentness_Reference: publication date Status: Progress: Complete Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -122.33 East_Bounding_Coordinate: -121.58 North_Bounding_Coordinate: 37.29 South_Bounding_Coordinate: 36.84 Access_Constraints: none Use_Constraints: none Keywords: Theme: Theme_Keyword_Thesaurus: USGS Thesaurus Theme_Keyword: geology Theme_Keyword: geologic maps Theme_Keyword: bedrock geologic units Theme_Keyword: surficial geologic units Theme_Keyword: geologic structure Theme_Keyword: geospatial datasets Theme: Theme_Keyword_Thesaurus: National Geologic Map Database Catalog themes, augmented Theme_Keyword: 3400 - Graphical Theme_Keyword: 3100 - Vector Theme_Keyword: 3420 - PostScript Theme_Keyword: 3110 - ESRI Theme_Keyword: 3112 - export Theme_Keyword: 1100 - Geology Theme_Keyword: 1101 - General Theme: Theme_Keyword_Thesaurus: ISO 19115 Topic Categories Theme_Keyword: geoscientificInformation Place: Place_Keyword_Thesaurus: Augmented FIPS 10-4 and FIPS 6-4 Place_Keyword: f06087 = Santa Cruz Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Brabb, Earl E Contact_Organization: USGS-GEO-WRG-NGM Contact_Address: Address_Type: mailing and physical address Address: Mail Stop 975, USGS 345 Middlefield Road City: Menlo Park State_or_Province: CA Postal_Code: 94025 Country: US Contact_Voice_Telephone: 650-329-5140 Contact_Electronic_Mail_Address: ebrabb@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/of/1997/of97-489/scruzmap.pdf Browse_Graphic_File_Description: PDF representation of geologic map of Santa Cruz, California (5.7MB) Browse_Graphic_File_Type: PDF Data_Set_Credit: I am most grateful to Joseph Clark, Indiana University, Pennsylvania, whose work forms the core of the County geology, and whose continual interest provides a rich resource to address unsolved problems. I am also grateful to William Dupre, University of Houston, for his help with the Quaternary geology, and to Thomas Dibblee, Jr., retired, and Robert McLaughlin for their work on the bedrock geology. Robert Smith kindly provided new information on a strand of the San Gregorio fault. David Burky, Kristin McDougall, William Sliter (deceased) and John Barron provided many identifications and ages for microfossils in an area characterized by poor outcrops, several formations with similar lithology, and complex structure. Native_Data_Set_Environment: ARC/INFO version 7.x Data_Quality_Information: Logical_Consistency_Report: This digital map database is prepared from a previously published map by Brabb (1989). Completeness_Report: complete Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Brabb, E.E. Publication_Date: 1989 Title: Geologic map of Santa Cruz County, California Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Miscellaneous Investigations Series Map Issue_Identification: I-1905 Source_Scale_Denominator: 62500 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1989 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Brabb (1989) Source_Contribution: This database was digitized from this map of Santa Cruz, California. Process_Step: Process_Description: The geologic map information was digitized from a stable original of the geologic map at 1:62,500 scale. The author manuscript (ink on a greenline) was scanned using a monochrome scanner with a resolution of 800 dots per inch. The scanned image was vectorized and transformed from scanner coordinates to projection coordinates with digital tics placed by hand at latitude/longitude intersections. The scanned lines were edited interactively by hand using graphical user interface ALACARTE (Fitzgibbon, 1991, Fitzgibbon and Wentworth, 1991, Wentworth and Fitzgibbon, 1991). Scanning artifacts significant for display at a scale of 1:62,500 were corrected. The base map layer (sc-topo) was prepared by scanning a scale-stable clear film of the U.S Geological Survey, San Francisco Bay Region, sheet 3, 1:125,000 (1970) topographic map. The clear film was scanned using a monochrome scanner with a resolution of 400 dots per inch. The raster scan was converted to a GRID in ARC/INFO. The GRID was then vectorized and reprojected into UTM Projection using the latitude/longitude intersections as reference points. The arcs in the base layer have not been attributed. Process_Date: 1991-1997 Process_Step: Process_Description: Creation of original metadata record Process_Date: 20000802 Process_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Jennifer Lenz Contact_Organization: US Geological Survey Contact_Address: Address_Type: mailing Address: 12201 Surise Valley Drive, Mail Stop 918 City: Reston State_or_Province: VA Postal_Code: 20192 Country: USA Contact_Voice_Telephone: 703-648-6974 Contact_Facsimile_Telephone: 703-648-6560 Contact_Electronic_Mail_Address: pschweitzer@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: entity point SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: complete chain SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 10 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -123 Latitude_of_Projection_Origin: 0.0 False_Easting: 500000 False_Northing: 0.0 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Planar_Distance_Units: meters Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: SC-GEOL.PAT Entity_Type_Definition: Geologic map units Entity_Type_Definition_Source: OFR-97-489 Attribute: Attribute_Label: PTYPE Attribute_Definition: Polygon type Attribute_Definition_Source: OFR-97-489 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qtl Enumerated_Domain_Value_Definition: Colluvium (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qal Enumerated_Domain_Value_Definition: Alluvial deposits, undifferentiated (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qb Enumerated_Domain_Value_Definition: Basin deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qbs Enumerated_Domain_Value_Definition: Beach sand (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qt Enumerated_Domain_Value_Definition: Terrace deposits, undifferentiated (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qes Enumerated_Domain_Value_Definition: Eolian deposits of Sunset Beach (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qcl Enumerated_Domain_Value_Definition: Lowest emergent coastal terrace deposits (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qcu Enumerated_Domain_Value_Definition: Coastal terrace deposits, undifferentiated (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qyf Enumerated_Domain_Value_Definition: Younder flood-plain deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qof Enumerated_Domain_Value_Definition: Older flood-plain deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qyfo Enumerated_Domain_Value_Definition: Alluvial fan deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qds Enumerated_Domain_Value_Definition: Dune sand (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qcf Enumerated_Domain_Value_Definition: Abandoned channel fill deposits (Holocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qem Enumerated_Domain_Value_Definition: Eolian deposits of Manresa Beach (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qwf Enumerated_Domain_Value_Definition: Fluvial facies (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qof Enumerated_Domain_Value_Definition: Alluvial fan facies (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qce Enumerated_Domain_Value_Definition: Eolian facies - Coastal terrace deposits (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qcl Enumerated_Domain_Value_Definition: Lowest emergent coastal terrace deposits - Coastal terrace deposits (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qar Enumerated_Domain_Value_Definition: Aromas Sand, undivided (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qae Enumerated_Domain_Value_Definition: Eolian lithofacies - Aromas sand (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Qaf Enumerated_Domain_Value_Definition: Fluvial lithofacies - Aromas Sand (Pleistocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: QTc Enumerated_Domain_Value_Definition: Continental deposits, undifferentiated (Pleistocene and Pliocene?) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tp Enumerated_Domain_Value_Definition: Purisima Formation (Pliocene and upper Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tps Enumerated_Domain_Value_Definition: Predominantly massive sandstone Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsc Enumerated_Domain_Value_Definition: Santa Cruz Mudstone (Upper Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsm Enumerated_Domain_Value_Definition: Santa Margarita Sandstone (upper Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tm Enumerated_Domain_Value_Definition: Monterey Formation (middle Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tlo Enumerated_Domain_Value_Definition: Lompico Sandstone (middle Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tla Enumerated_Domain_Value_Definition: Lambert Shale (lower Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tvq Enumerated_Domain_Value_Definition: Vaqueros Sandstone (lower Miocene and Oligocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbs Enumerated_Domain_Value_Definition: Basalt (lower Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tz Enumerated_Domain_Value_Definition: Zayanite Sandstone (Oligocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsl Enumerated_Domain_Value_Definition: San Lorenzo Formation, undivided (Oligocene and Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tsr Enumerated_Domain_Value_Definition: Rices Mudstone Member (Oligocene and Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tst Enumerated_Domain_Value_Definition: Twobar Shale Member (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbu Enumerated_Domain_Value_Definition: Upper sandstone member - Butano Sandstone (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbm Enumerated_Domain_Value_Definition: Middle siltstone member - Butano Sandstone (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tbl Enumerated_Domain_Value_Definition: Lower sandstone member - Butano Sandstone (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tblc Enumerated_Domain_Value_Definition: Conglomerate - Butano Sandstone (Eocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tl Enumerated_Domain_Value_Definition: Locatelli Formation (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tlss Enumerated_Domain_Value_Definition: Sandstone - Locatelli Formation (Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Ts Enumerated_Domain_Value_Definition: Siltstone and sandstone (Pliocene and upper Miocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmp Enumerated_Domain_Value_Definition: Shale of Mount Pajaro area (Miocene and Oligoene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tmm Enumerated_Domain_Value_Definition: Sandstone of Mount Madonna area (Eocene?) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Tms Enumerated_Domain_Value_Definition: Mudstone of Maymens Flat area (Eocene and Paleocene) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kgs Enumerated_Domain_Value_Definition: Shale and sandstone of Nibbs Knob area (Upper Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Kcg Enumerated_Domain_Value_Definition: Conglomerate (Upper Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: qd Enumerated_Domain_Value_Definition: Quartz diorite (Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: ga Enumerated_Domain_Value_Definition: Granite and adamellite (Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: gd Enumerated_Domain_Value_Definition: Gneissic granodiorite (Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: hcg Enumerated_Domain_Value_Definition: Hornblende-cummingtonite gabbro (Cretaceous) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: sch Enumerated_Domain_Value_Definition: Metasedimentary rocks (Mesozoic or Paleozoic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: m Enumerated_Domain_Value_Definition: Marble (Mesozoic or Paleozoic) Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: db Enumerated_Domain_Value_Definition: Diabase (age unknown) Detailed_Description: Entity_Type: Entity_Type_Label: SC-GEOL.AAT Entity_Type_Definition: Linear features on geologic map Entity_Type_Definition_Source: OFR-97-489 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-97-489 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: contact, approx. located Enumerated_Domain_Value_Definition: Contact whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: contact, certain Enumerated_Domain_Value_Definition: Observed contact Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: contact, inferred Enumerated_Domain_Value_Definition: Contact whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fault, approx. located Enumerated_Domain_Value_Definition: Fault whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fault, certain Enumerated_Domain_Value_Definition: Observed fault Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: fault, concealed Enumerated_Domain_Value_Definition: Concealed fault whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: map boundary, certain Enumerated_Domain_Value_Definition: Boundary of mapped area Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: scratch boundary Enumerated_Domain_Value_Definition: Location of scratch boundary Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: scratch boundary, countyline Enumerated_Domain_Value_Definition: Location of countyline Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: water boundary Enumerated_Domain_Value_Definition: Boundary of a body of water Detailed_Description: Entity_Type: Entity_Type_Label: SC-GEOL.PAT Entity_Type_Definition: Geologic map units at specific locations (same attributes as polygon coverage SC-GEOL.PAT) Entity_Type_Definition_Source: OFR-97-489 Detailed_Description: Entity_Type: Entity_Type_Label: SC-STRC.AAT Entity_Type_Definition: Geologic fold axes Entity_Type_Definition_Source: OFR-97-489 Attribute: Attribute_Label: LTYPE Attribute_Definition: Line type Attribute_Definition_Source: OFR-97-489 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., anticline, approx. located Enumerated_Domain_Value_Definition: Anticlinal fold axis whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., anticline, certain Enumerated_Domain_Value_Definition: Observed anticlinal fold axis Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., anticline, concealed Enumerated_Domain_Value_Definition: Concealed anticlinal fold axis whose position is inferred Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., syncline, approx. located Enumerated_Domain_Value_Definition: Synclinal fold axis whose position is not precisely known Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., syncline, certain Enumerated_Domain_Value_Definition: Observed synclinal fold axis Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: f.a., syncline, concealed Enumerated_Domain_Value_Definition: Concealed synclinal fold axis whose position is inferred Detailed_Description: Entity_Type: Entity_Type_Label: SC-STRC.PAT Entity_Type_Definition: Orientation of bedding and foliation Entity_Type_Definition_Source: OFR-97-489 Attribute: Attribute_Label: PTTYPE Attribute_Definition: Point type Attribute_Definition_Source: OFR-97-489 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: approx dip of bedding Enumerated_Domain_Value_Definition: Approximate orientation of bedding plane Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: bedding Enumerated_Domain_Value_Definition: Bedding plane orientation Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: flat bedding Enumerated_Domain_Value_Definition: Bedding whose dip is practially horizontal Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: foliation Enumerated_Domain_Value_Definition: Foliation orientation Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: ot bedding Enumerated_Domain_Value_Definition: Overturned bedding plane orientation Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: vert bedding Enumerated_Domain_Value_Definition: Vertical bedding plane orientation Attribute: Attribute_Label: DIP Attribute_Definition: Dip of bedding or foliation Attribute_Definition_Source: OFR-97-489 Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 90 Attribute_Units_of_Measure: degrees Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: STRIKE Attribute_Definition: Strike of bedding or foliation Attribute_Definition_Source: OFR-97-489 Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 359 Attribute_Units_of_Measure: degrees Attribute_Measurement_Resolution: 1 Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: USGS Information Services Contact_Address: Address_Type: mailing Address: Box 25286, Denver Federal Center City: Denver State_or_Province: Colorado Postal_Code: 80255-0046 Country: USA Contact_Voice_Telephone: 1-888-ASK-USGS Contact_Facsimile_Telephone: 1-303-202-4695 Contact_Electronic_Mail_Address: infoservices@usgs.gov Resource_Description: US Geological Survey Open-File Report 97-489 Distribution_Liability: This report is preliminary and has not been reviewed for conformity with U. S. Geological Survey editorial standards. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U. S. Government. This database, identified as "Geologic map of Santa Cruz County, California: A Digital Database," has been approved for release and publication by the Director of the USGS. Although this database has been reviewed and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. This database is released on condition that neither the USGS nor the U. S. Government may be held liable for any damages resulting from its use. Standard_Order_Process: Non-digital_Form: Map can be downloaded as a 7.5 megabyte PostScript file from http://pubs.usgs.gov/of/1997/of97-489/sc-sht1.ps.gz Map can also be downloaded as a 5.7 megabyte PDF file from http://pubs.usgs.gov/of/1997/of97-489/scruzmap.pdf Fees: none Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ARCE Format_Version_Number: 7.x Format_Information_Content: Depositional contacts and unit labels, Fold axes, strike and dip information, Topographic base map File_Decompression_Technique: gzip and tar Transfer_Size: 9.8 Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/of/1997/of97-489/scruz.tar.gz Fees: none Metadata_Reference_Information: Metadata_Date: 20160205 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