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Wyodak-Anderson coal zone study limit in the Powder River Basin

Metadata also available as - [Outline] - [Parseable text] - [DIF]

Frequently-anticipated questions:


What does this data set describe?

Title: Wyodak-Anderson coal zone study limit in the Powder River Basin
Abstract:
This ArcView shapefile contains a polygon representing the study area for the Wyodak-Anderson coal zone in the Powder River Basin, Wyoming and Montana. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky Mountains and Great Plains Region
  1. How should this data set be cited?

    U.S. Geological Survey Central Energy Resources Team, 19990930, Wyodak-Anderson coal zone study limit in the Powder River Basin: U.S. Geological Survey Professional Paper 1625-A, U.S. Geological Survey, Denver, CO.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -107.1936
    East_Bounding_Coordinate: -105.1358
    North_Bounding_Coordinate: 45.4658
    South_Bounding_Coordinate: 42.8777

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Beginning_Date: 1959
    Ending_Date: 1998
    Currentness_Reference: Publication Date

  5. What is the general form of this data set?

    Geospatial_Data_Presentation_Form: 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 (2)

    2. What coordinate system is used to represent geographic features?

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest .0001. Longitudes are given to the nearest .0001. Latitude and longitude values are specified in Decimal degrees.

      The horizontal datum used is North American Datum 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?

    wabnd.dbf
    Shapefile Attribute Table (Source: None)

    Area
    Area of polygon (Source: Software computed)

    Range of values
    Minimum:0.00578
    Maximum:2.72602

    Perimeter
    Perimeter of polygon (Source: Software computed)

    Range of values
    Minimum:1.17121
    Maximum:34.26603

    Link
    A field use to link to other tables (Source: User Defined)


Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

  3. To whom should users address questions about the data?

    USGS Energy Resources Team
    c/o Romeo Flores
    Geologist
    Box 25046
    MS 939
    Denver Federal Center
    Denver, CO 80225-0046
    USA

    303.236.7774 (voice)

    Hours_of_Service: Monday through Friday 8:00 AM- 3:00 PM


Why was the data set created?

The Nation's coal resources are being assessed by the USGS. This assessment identifies and characterizes the coal beds and coal zones that will provide the bulk of the Nation's coal-derived energy during the next few decades. This assessment is different from previous USGS assessments because digital files and databases are being collected and stored in standardized formats, and being analyzed using a Geographic Information System (GIS).


How was the data set created?

  1. From what previous works were the data drawn?

    none (source 1 of 10)
    Kent, B.H., 1980, Stratigraphic Framework of Coal Beds Underlying the Western Part of the Recluse Quadrangle, Campbell County, Wyoming: U.S. Geological Survey Coal Investigations Map C-81-D.

    Type_of_Source_Media: paper
    Source_Scale_Denominator: 100000
    Source_Contribution:
    This map provided the information for defining part of the eastern boundary of the Wyodak-Anderson coal zone outcrop.

    none (source 2 of 10)
    R.P. Bryson and N. W. Bass, 1973100, Geology of the Moorhead Coalfield, Powder River, Big Horn, and Rosebud Counties, Montana: U.S. Geological Survey Bulletin 1338.

    Type_of_Source_Media: paper
    Source_Contribution:
    This source was one of five used to define the northern (Montana) study area boundary for the Wyodak-Anderson coal zone.

    none (source 3 of 10)
    L.N. Robinson and W.C. Culbertson, 1984, Map showing isopachs of coal and overburden of the Canyon coal bed, Birney quadrangle, Big Horn and Rosebud Counties, Wyoming: U.S. Geological Survey Coal Investigations Map C-96-B.

    Type_of_Source_Media: paper
    Source_Scale_Denominator: 100000
    Source_Contribution:
    This source was one of five used to define the northern (Montana) study area boundary for the Wyodak-Anderson coal zone.

    none (source 4 of 10)
    Culbertson, W.C., Unpublished material, Unpublished geological map compilation.

    Type_of_Source_Media: paper
    Source_Contribution:
    This source was one of five used to define the northern (Montana) study area boundary for the Wyodak-Anderson coal zone.

    none (source 5 of 10)
    Warren, W.C., 1959, Reconnaissance geology of the Birney-Broadus coalfield, Rosebud and Powder River counties, Montana: U.S. Geological Survey Bulletin 1072-J.

    Type_of_Source_Media: paper
    Source_Contribution:
    This source was one of five used to define the northern (Montana) study area boundary for the Wyodak-Anderson coal zone.

    none (source 6 of 10)
    USGS, unknown author, Unpublished material, Structure contour map of the top of the Wyodak Anderson coal zone.

    Type_of_Source_Media: paper
    Source_Scale_Denominator: 125,000
    Source_Contribution:
    Data was captured from a N.M. Denson structure contour map and used to produce an ARC/INFO coverage ("renoveclam"). The arcs in this coverage were used to define part of the eastern boundary of the Wyodak-Anderson coal zone outcrop.

    none (source 7 of 10)
    US Bureau of Land Management, Unknown, Structure contour map (title unknown).

    Type_of_Source_Media: paper
    Source_Scale_Denominator: 125,000
    Source_Contribution:
    The data was captured off a structure contour map by N.M. Denson and used to produce an ARC/INFO coverage ("campveclam"). The arc in this coverage was used to define the southeast border of the Wyodak-Anderson coal zone outcrop.

    Birney, MT 100k BLM map (source 8 of 10)
    US Bureau of Land Management, 1981, Surface and mineral management status, Birney quadrangle, Montana.

    Type_of_Source_Media: paper
    Source_Scale_Denominator: 100,000
    Source_Contribution:
    This map shows land and federal mineral ownership, and was used to define a part of the northern border of the Wyodak-Anderson coal zone outcrop.

    Lodge Grass, MT 100k BLM map (source 9 of 10)
    US Bureau of Land Management, 1982, Surface and mineral management status, Lodge Grass quadrangle, Montana.

    Type_of_Source_Media: paper
    Source_Scale_Denominator: 100,000
    Source_Contribution:
    This map depicts land and Federal mineral ownership. It was used to define the northwest border of the Wyodak-Anderson coalzone outcrop.

    none (source 10 of 10)
    Flores, R.M., Unpublished material, Unpublished field notes.

    Type_of_Source_Media: paper
    Source_Contribution:
    Romeo Flores' field notes and firsthand knowledge of the area were used to define the southern and western study area boundaries for the Wyodak-Anderson coal zone.

  2. How were the data generated, processed, and modified?

    Date: Unknown (process 1 of 1)
    The line defining the extent of the Wyodak-Anderson coal zone study area was drafted on mylar and scanned to produce a .tif file. This file was registered and rectified in ARC/INFO, and arcs were produced using the GRIDLINE function in that program. In ArcView the Wyodak-Anderson coal zone polygon was projected to geographic coordinates and converted to a shapefile.

    Person who carried out this activity:

    USGS Energy Resources Team
    c/o Romeo Flores
    Geologist
    Box 25046
    MS 939
    Denver Federal Center
    Denver, CO 80225-0046
    USA

    303.236.7774 (voice)

    Hours_of_Service: Monday through Friday 8:00 AM- 3:00 PM
  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?

    No test was performed to assess attribute accuracy.

  2. How accurate are the geographic locations?

    Limited to software coordinates precision to geographic coordinates.

  3. How accurate are the heights or depths?

  4. Where are the gaps in the data? What is missing?

    Boundary is limited to the extent of Wyodak-Anderson Coal Zone

  5. How consistent are the relationships among the observations, including topology?

    Polygon features present.


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: none

  1. Who distributes the data set? (Distributor 1 of 2)

    USGS Information Services
    Box 25286 Denver Federal Center
    Denver, CO 80225-0046
    USA

    1-888-ASK-USGS (voice)
    1-303-202-4693 (FAX)

  2. What's the catalog number I need to order this data set?

    USGS Professional Paper 1625-A

  3. What legal disclaimers am I supposed to read?

    This Compact Disc-Read Only Memory(CD-ROM) publication was prepared by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed in this report, or represents that its use would not infringe privately owned rights. Reference therein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof.
    Although all data and software published on this CD-ROM have been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and related materials and (or) the functioning of the software. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of this data, software, or related materials.

  4. How can I download or order the data?


  1. Who distributes the data set? (Distributor 2 of 2)

    USGS Energy Resources Team
    Box 25046
    MS 939
    Denver Federal Center
    Denver, CO 80225-0046
    USA

    303.236.1647 (voice)

    Hours_of_Service: Monday through Friday, 8:00 AM- 3:00 PM
  2. What's the catalog number I need to order this data set?

  3. What legal disclaimers am I supposed to read?

    The US Geological Survey provides these geographic data "as is." The USGS makes no guarantee or warranty concerning the accuracy of information contained in this geographic data. 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 USGS computers, 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 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: 15-Oct-1998
Metadata author:
USGS Energy Resources Team
c/o Romeo Flores
Geologist
Box 25046
MS 939
Denver Federal Center
Denver, CO 80225-0046
USA

303.236.7774 (voice)

Hours_of_Service: Monday through Friday 8:00 AM- 3:00 PM
Metadata standard:
FGDC CSDGM (FGDC-STD-001-1998)


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