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Powder River Basin boundary, 1999 Coal Resource Assessment (prbbndg.shp)

Dates

Publication Date
Time Period
1998
Release Date
1999-09-30

Citation

United States Geological Survey, 1999, Powder River Basin boundary, 1999 Coal Resource Assessment (prbbndg.shp): U.S. Geological Survey data release, https://doi.org/10.5066/P921GQ9R.

Summary

This ArcView shapefile contains a polygon representing the boundary of the Powder River Basin based on a generalized contact of Cretaceous and Tertiary rocks. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky Mountains and Great Plains Region.

Contacts

Attached Files

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Shapefile: prbbndg.zip
prbbndg.dbf 191 Bytes
prbbndg.jpg thumbnail 75.54 KB
prbbndg.prj 167 Bytes
prbbndg.sbn 132 Bytes
prbbndg.sbx 116 Bytes
prbbndg.shp 10.14 KB
prbbndg.shx 108 Bytes

Purpose

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).

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P921GQ9R

Shapefile Extension

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