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Federal
U.S. Forest Service land in the Powder River Basin (prbfsg.shp)
Department of the Interior —
This shapefile contains a representation forest service land in the Powder River Basin. This theme was created specifically for the National Coal Resources Assessment... -
Federal
Knobloch coal resource unit - main coal bed split, 1999 National Coal Resource Assessment (knsplitg.shp)
Department of the Interior —
This ArcView shapefile contains a polygon representation of the Knobloch coal resource unit - main coal bed split. This theme was created specifically for the... -
Federal
Knobloch clinker, Southern Montana, 1999 National Coal Resource Assessment (knclkg.shp)
Department of the Interior —
The clinker theme represents a digital polygon coverage showing areas where clinker is present. Clinker forms from the natural burning of coal beds in outcrop, and... -
Federal
Ashland coalfield boundary; assessment area for the Knobloch coal resource unit (knbndg.shp)
Department of the Interior —
This ArcView shapefile contains a polygon representation of the Ashland coalfield, Montana, as defined in the USGS National Coal Resource Assessment (NCRA) project.... -
Federal
Net coal thickness map for the Knobloch coal resource unit, Ashland coalfield, Montana (kncatg.shp)
Department of the Interior —
This ArcView shapefile contains a polygon representation of the net coal thickness of the Knobloch coal resource unit, Ashland coalfield, Montana. This theme was... -
Federal
Coal overburden thickness of Knobloch coal zone from 1999 National Coal Resource Assessment (knovbg.shp)
Department of the Interior —
This ArcView shapefile is a polygon representation of the overburden thickness above the Knobloch coal resource unit in the Powder River Basin. This theme was created... -
Federal
Public drill hole data from Knobloch coal resource unit, Montana (knptg.shp)
Department of the Interior —
This ArcView shapefile contains a digital point data representation of the public drill hole data used in coal resource calculations for the Knobloch coal resource... -
Federal
Knobloch outcrop, Southern Montana, 1999 National Coal Resource Assessment (knocg.shp)
Department of the Interior —
This ArcView shape file contains a line representation of the Knobloch coal bed outcrop or contact with clinker in the Ashland coalfield as defined in the USGS... -
Federal
Unioned layer for the Knobloch coal resource unit, Montana (knfing.shp)
Department of the Interior —
This ArcView shapefile contains a polygon representation of numerous themes for the Knobloch coal resource assessment unit. These themes are listed in the process...