Lead-rich sediments, Coeur d'Alene River valley, Idaho; Area, volume, tonnage, and lead content: Geologic and wetland unit data

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Frequently anticipated questions:


What does this data set describe?

Title:
Lead-rich sediments, Coeur d'Alene River valley, Idaho; Area, volume, tonnage, and lead content: Geologic and wetland unit data
Abstract:
This metadata file (cdafldpl.met) describes three shape files.
Shape file cdasurf4_utm.shp, with its associated .shx and .dbf files, contains polygons and attributes for a map of geologic and wetland units and systems, which represent sedimentary depositional environments of the Coeur d'Alene (CdA) River valley. This map extends beyond the lateral and longitudinal boundaries of the area studied for this report.
Shape file fldpln2.shp was derived from shape file cdasurf4.shp by trimming it to the study area for this report, which includes the CdA River channel and floodplain, from the confluence of its North and South forks, to the base of its delta, in CdA Lake.
Shape file fpaream2.shp was derived from fldpln2.shp by merging its 1544 polygons into one polygon, representing the 85 square-kilometer area studied for this report.
Supplemental_Information:
Covered in this Metadata (cdafldpl.met) are three of six shape files. The three shape files discussed here are (cdasurf4_utm.shp, fpaream2.shp, and fldpln2.shp). They were derived from Bookstrom and others(1999). These were modified and reprojected from Geographic to UTM, Zone 11, NAD27. Included with them are three AVLs (cdasurf4_utm.avl, fpaream2.avl, and fldpln2.avl), which are used to format the ArcView legend.
Metadata pbsamthk.met describes two dBase4 files (alsamPb.dbf and thkpb11.dbf).
Metadata pbrchseg.met describes three additional shape files (segments.shp,rivreach.shp, and Pb1000.shp).
  1. How might this data set be cited?
    Bookstom, A.A., Box, S.E., Campbell, J.K., Foster, K.I., and Jackson, B.L., 2001, Lead-rich sediments, Coeur d'Alene River valley, Idaho; Area, volume, tonnage, and lead content: Geologic and wetland unit data: U.S. Geological Survey Open-File Report 01-140, U.S. Geological Survey, Menlo Park, CA.

    Online Links:

  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -116.8752
    East_Bounding_Coordinate: -116.2484
    North_Bounding_Coordinate: 47.6166
    South_Bounding_Coordinate: 47.4178
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
    Beginning_Date: 1993
    Ending_Date: 2001
    Currentness_Reference:
    publication date
  5. What is the general form of this data set?
    Geospatial_Data_Presentation_Form: Digital Map
  6. How does the data set represent geographic features?
    1. How are geographic features stored in the data set?
      This is a Vector data set. It contains the following vector data types (SDTS terminology):
      • GT-polygon composed of chains (1765)
    2. What coordinate system is used to represent geographic features?
      Grid_Coordinate_System_Name: Universal Transverse Mercator
      Universal_Transverse_Mercator:
      UTM_Zone_Number: 11
      Transverse_Mercator:
      Scale_Factor_at_Central_Meridian: 0.9996
      Longitude_of_Central_Meridian: -117.0
      Latitude_of_Projection_Origin: 0.0
      False_Easting: 500000.0
      False_Northing: 0.0
      Planar coordinates are encoded using Coordinate pair
      Planar coordinates are specified in Meters
      The horizontal datum used is North American Datum of 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.4.
      The flattening of the ellipsoid used is 1/294.98.
  7. How does the data set describe geographic features?
    Entity_and_Attribute_Overview:
    This cdafldpl.met metadata has three geospatial datasets cdasurf4_utm, fldpln2 and fpaream2. The associated ArcView files are: cdasurf4_utm.shp/.shx/.dbf/.avl; fldpln2.shp/.shx/.sbx/.sbn/.dbf/.avl; fpaream2.shp/.shx/.dbf/.avl; and an APR file (cdapbofp.apr), which is required to load this project into ArcView. The AVLs are included to format the shape file legends.
    The shape-file, cdasurf4_utm.shp, was used to generate fldpln2.shp, and both contain the same file structure.
    Entity_and_Attribute_Detail_Citation: http://pubs.usgs.gov/of/2001/of01-140/of01-140.pdf
    cdasurf4_utm.dbf
    Polygons and attributes for a map of geologic and wetland units and systems, which represent sedimentary depositional environments of the Coeur d'Alene (CdA) River valley. This map extends beyond the lateral and longitudinal boundaries of the area studied for this report. fldpln2.dbf contains the same attributes.
    UNIT_NO
    Map-unit number
    Range of values
    Minimum:1
    Maximum:212
    Units:nominal; used for identification
    Resolution:1
    UNITLABEL
    Map-unit label. Short definitions of the labeled map units are given in the explanation of plates 1 and 2 of Bookstrom and others (1999, and full descriptions of the map units are given in the text of that report.
    ValueDefinition
    AcCut
    AccCut for clay mine
    AcdsCut in dredge spoils, taken for I-90 fill
    AcgwCut for gravel pit, water-filled
    AcnCanal
    AcrCut for rock quarry
    AcwCut for water reservoir or pond
    AdDitch (wide)
    AdkDike
    AdkdDike, with adjacent, parallel ditch or ditches
    AdksbDike, submerged
    Ads1Dredge spoils - lower subaerial unit (sand, locally vegetated)
    Ads2Dredge spoils - middle subaerial unit (sandy slope)
    Ads3Dredge spoils -- upper subaerial unit (sand, sparse grass)
    Adsdk1Dredge spoil dike - high
    Adsdk2Dredge spoil dike - highest
    AdsLlmADredge spoils - Lacustrine, limnetic, Aquatic vegetation
    AdsLltADredge spoils - Lacustrine littoral, Aquatic vegetation
    AdsPEcrDredge spoils - Palustrine Emergent vegetation (common reed)
    AdsPEpDredge spoils - Palustrine Emergent vegetation, perennially saturated to flooded
    AdsPEspDredge spoils - Palustrine Emergent vegetation, semi-persistently saturated to flooded
    AfFill
    AfdsFill, dredge spoils in I-90 road embankment
    AlLevee (man-made)
    ApPier, man-made, with fill and (or) other materials
    ArRoadbed (includes cuts and fills, except where shown separately)
    ArrRailway roadbed (includes cuts and fills)
    AssdSand splay associated with ditch from river to floodplain
    HMbvMiocene basalt (Columbia River Basalt Group)
    HMsMiocene semi-consolidated alluvial and lacustrine sediments
    HQlsQuaternary landslide debris
    HQplQuaternary Palouse loess (silt dunes)
    HQtaQuaternary alluvium of tributaries
    HUifHighland-Upland transitional area, intermittently flooded
    HUQmfQuaternary mudflow deposit, across Highland-Upland transition
    HYmsProterozoic metasedimentary rocks (mostly argillite and quartzite of the Belt Supergroup)
    LisbInlet sand bar
    LlmALimnetic, Aquatic, with > 30% of aquatic vegetation
    LlmAnpLimnetic, Aquatic, non-persistent vegetation
    LlmAsbLimnetic, Aquatic, submergent vegetation
    LlmDOwLimnetic, Delta front, Open water, <10 m deep
    LlmOw1Limnetic, Open water, <10 m deep
    LlmOw2Limnetic, Open water, >10 m deep
    LltALittoral, Aquatic, with > 30% of aquatic vegetation
    LltAnpLittoral, Aquatic, non-persistent vegetation
    LltAsbLittoral, Aquatic, submergent vegetation
    LltELittoral, Emergent vegetation
    LltEnpLittoral, Emergent, non-persistent vegetation
    LltlLittoral, levee (submerged)
    LltOwLittoral, Open water
    PAAquatic, with > 30% of aquatic vegetation at the surface
    PAEAquatic and lesser Emergent vegetation
    PAnpAquatic, non-persistent vegetation
    PATAquatic and Terrestrial (Aquatic peat moss supporting Terrestrial vegetation)
    PdisbEDistributary, channel blocked, inactive levees, Emergent vegetation
    PdisEDistributary, incuding channel, natural levees, Emergent vegetation
    PEEmergent vegetation
    PEAEmergent and lesser aquatic vegetation
    PEcrEmergent vegetation (common reed)
    PEpEmergent vegetation, perennially saturated to flooded
    PEphEmergent vegetation, (horsetails), perennially saturated to flooded
    PEphAEmergent >Aquatic vegetation (horsetails predominant), perennially saturated to flooded
    PEprEmergent vegetation (wild rice), perennially saturated to flooded
    PEsEmergent vegetation, seasonally flooded
    PEsdfEmergent vegetation, seasonally flooded, artificially drained, farmed
    PEsfEmergent vegetation, seasonally flooded, farmed
    PEspEmergent vegetation, semi-persistently saturated to flooded
    PEspdfEmergent vegetation, semi-persistently saturated, but artificially drained, farmed
    PEsTEmergent vegetation (Terrestrial) seasonally flooded
    POwOpen water
    PtaETributary alluvium with Emergent vegetation unit label desc
    RbwBank wedge of metal-enriched sediments (wedge thickens from levee top to riverbank)
    RdiscDistributary channel (wide)
    RgGravel-bottomed channel
    RgbGravel bar
    RhcHigh-water channel (active during floods)
    RmsbRiver-mouth sand bar
    RpmPre-mining-era sediments
    RsSand-bottomed river channel (includes bottom-fill, lateral bars, point bars)
    RsbSand bar beach (subaerial at summer water level)
    RscbCentral sand bar
    UatAlluvial terrace - undivided
    Uat1Alluvial terrace - lowest and youngest
    Uat2Alluvial terrace - second-lowest
    Uat3Alluvial terrace - third-lowest
    Uat4Alluvial terrace - highest and oldest
    UcsChannel scar (trace of semi-abandoned to abandoned channel, chute, or meander)
    UcslChannel-scar levee(s)
    UdisDistributary, including channel and natural levees
    UdisbDistributary, channel blocked, natural levees inactive
    UerMcErosional remnant, Miocene clay
    UlbLevee backslope (siltier, more vegetated than Uls or Ulso)
    UlbfLevee backslope, farmed (plowed)
    UlsLevee sand (sparsely vegetated)
    UlsoLevee sand, outer margin (siltier, more vegetated than Uls)
    UmsMeander - scroll set
    UmsfMeander - scroll set, farmed
    UssSand splay or crevasse splay (sparsely vegetated)
    UsscSand splay channel (crevasse)
    UssoSand splay, outer margin (siltier, more vegetated than Uss)
    SYSTEM_NO
    Wetland System map-unit number.
    ValueDefinition
    1Artificial
    2Highland
    3Lacustrine
    4Palustrine
    5Riverine
    6Upland
    7Transitional between highland and upland
    8Transitional between riverine and upland
    SYS_LABEL
    Wetland System map-unit label. Short definitions of system-level map units are given in the explanation of plates 1 and 2 of this report, and full descriptions are given in the text of Bookstrom and others (1999).
    ValueDefinition
    AArtificial
    HHighland
    HUTransitional between highland and upland
    LLacustrine
    PPalustrine
    RRiverine
    RUTransition between riverine and upland
    UUpland
    FLOODPLN
    Floodplain of the CdA River, as indicated by the area flooded during the Feb.,1996 flood (numerical code from Bookstrom and others, 1999).
    ValueDefinition
    0not classified
    2in flood plain (covered by Feb 1996 flood water)
    3partly in flood plain (partly covered by Feb 1996 flood water)
    4not in flood plain (not covered by Feb 1996 flood water)
    7 
    8 
    FPLLABEL
    Floodplain of the CdA River (letter code from Bookstrom and others, 1999).
    ValueDefinition
    (no value)not classified
    fpin flood plain (covered by Feb 1996 flood water)
    nfpnot in flood plain (not covered by Feb 1996 flood water)
    pfppartly in flood plain (partly covered by Feb 1996 flood water)
    USGS_REF
    Abbreviation of previously-published reference
    ValueDefinition
    OF99_548Bookstrom, Arthur A. , Box, Stephen E. , Brandt, Theodore R., Jackson, Berne L. , Derkey, Pamela D. , and Munts, Steven R., 1999, Digital Map of surficial geology, wetlands, and deepwater habitats, Coeur d'Alene River Valley, Idaho.: U.S. Geological Survey Open-File Report 99-548, U.S. Geological Survey, Spokane, WA.

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • Bookstom,A.A.
    • Box,S.E.
    • Campbell,J.K.
    • Foster,K.I.
    • Jackson,B.L.
  2. Who also contributed to the data set?
    John Wallis wrote the metadata, and Gary Raines reviewed the digital data and Metadata.
  3. To whom should users address questions about the data?
    U.S. Geological Survey
    Attn: Arthur A. Bookstrom
    Geologist
    904 W. Riverside Ave. Rm. 202
    Spokane, Washington
    USA

    1-509-368-3119 (voice)
    1-509-368-3199 (FAX)
    abookstrom@usgs.gov
    Hours_of_Service: 8 - 5 M-F

Why was the data set created?

This data set was created to provide geomorphic context for studies of the character, distribution, thickness, volume, tonnage, and metal content of metal-enriched sediment present on the floodplain of the CdA River. These studies are being done in support of ongoing studies on the environmental impacts of industrial wastes derived from mining related activities in the CdA mining region, upstream. Those studies include a Natural Resources Damage Assessment, being conducted by US Fish and Wildlife Service and others, and a Remedial Investigation/ Feasibility Study being conducted by US Environmental Protection Agency and others.

How was the data set created?

  1. From what previous works were the data drawn?
    Bookstrom and others (1999) (source 1 of 1)
    Bookstom, A.A., Box, S.E., Campbell, J.K., Foster, K.I., and Jackson, B.L., 1999, Digital Map of Surficial Geology, Wetlands, and Deepwater Habitats, Coeur d'Alene River Valley, Idaho.: U.S. Geological Survey, Menlo Park, CA.

    Online Links:

    Type_of_Source_Media: map
    Source_Scale_Denominator: 24,000
    Source_Contribution:
    This 1:24,000 digital map was used as a template on which the additional layers could be added. These data also provided the source data from which two additional ArcView shape files were derived (fldpln2.shp and fraream2.shp).
  2. How were the data generated, processed, and modified?
    Date: 2000 (process 1 of 2)
    Shape file cdasurf4_utm.shp/.shx/.dbf was modified from shape file temp.shp/.shx/.dbf, which is included with a Digital Map of the Surficial Geology, Wetlands, and Deepwater Habitats, Coeur d'Alene River Valley, Idaho, by Bookstrom and others (1999). That report is available at http://pubs.usgs.gov/of/1999/of99-548/ The map projection of temp.shp/.shx/.dbf was converted from geographic to UTM, Zone 11, NAD 1927 to make cdasurf4_utm.shp/.shx/.dbf. The table, cdasurf4_utm.dbf, was edited. The wetland-system classification of map unit Rbw (bank-wedge deposit) was changed from R (Riverine) to RU (transitional Riverine to Upland). A thematic column, USGS_REF was added to cite the data source (USGS Open-File Report 99-548).
    To provide a theme showing a map of the study area, we modified cdasurf4_utm.shp. We deleted thematic columns not directly related to this study. We clipped the eastern and western ends of the map to represent the study area of this report, which is the floodplain of the CdA River, from the confluence of its North and South Forks, to the base of its delta front in CdA Lake. We named this file fldpln2.shp.
    To determine the areal extent of our study area (in square meters), we generated a map of the study area by merging the 1544 polygons of fldpln2.shp into a single polygon. We named this new map theme fpaream2.shp, and calculated its area (85 square kilometers), using an ArcView script. Person who carried out this activity:
    Arthur A. Bookstrom
    U.S. Geological Survey
    Geologist
    904 W. Riverside Ave., Rm 202
    Spokane, WA
    USA

    1-509-368-3119 (voice)
    1-509-368-3199 (FAX)
    abookstrom@usgs.gov
    Hours_of_Service: 8 - 5 M-F
    Data sources used in this process:
    • Bookstom and others (1999)
    Date: 05-Apr-2001 (process 2 of 2)
    Creation of original metadata record Person who carried out this activity:
    U.S. Geological Survey
    Attn: Art Bookstrom
    Geologist
    904 W. Riverside Ave. Rm. 202
    Spokane, Washington
    USA

    1-509-368-3119 (voice)
    1-509-368-3199 (FAX)
    abookstrom@usgs.gov
  3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?
    Attribute accuracy was verified by manual comparison of the source data with hardcopy printouts, and on screen evaluations.
  2. How accurate are the geographic locations?
    The horizontal positional accuracy for the digital data is no better than about 15 meters based on digitizing RMS error.
  3. How accurate are the heights or depths?
    No vertical data.
  4. Where are the gaps in the data? What is missing?
    Original vector data was assumed to be complete.
  5. How consistent are the relationships among the observations, including topology?
    These data are believed to be logically consistent, though no tests were performed other than using the data for analysis.

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?
Access_Constraints: none
Use_Constraints:
Any hardcopies utilizing these data sets shall clearly indicate their source. If the users have modified the data in any way they are obligated to describe the type of modifications they have performed. User specifically agrees not to misrepresent these data sets, nor to imply that changes they made were approved by the U.S. Geological Survey.
  1. Who distributes the data set? (Distributor 1 of 1)
    Arthur A Bookstrom
    U.S. Geological Survey, GEO-WRG-MRS
    W 904 Riverside Avenue
    Spokane, WA
    USA

    509-368-3119 x (voice)
    509-368-3199 (FAX)
    abookstrom@usgs.gov
  2. What's the catalog number I need to order this data set? USGS Open-File Report 01-140
  3. What legal disclaimers am I supposed to read?
    The U.S. Geological Survey (USGS) provides this 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 this data has been processed successfully on computers at the USGS, no warranty, expressed or implied, is made by the USGS regarding the use of this 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 the delivery, installation, operation, or support by the USGS.
  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 05-Feb-2016
Last Reviewed: 31-Oct-2001
Metadata author:
Peter N Schweitzer
USGS Midwest Area
Collection manager, USGS Geoscience Data Clearinghouse, http://geo-nsdi.er.usgs.gov/
Mail Stop 954
12201 Sunrise Valley Dr
Reston, VA
USA

703-648-6533 (voice)
703-648-6252 (FAX)
pschweitzer@usgs.gov
Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)

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