Unioned layer for the Point of Rocks-Black Butte coal assessment area, Green River Basin, Wyoming (porbbfing.shp)
This ArcView shapefile contains a polygon representation
of the spatial query layer for the Point of Rocks-Black
Butte coalfield, Greater Green River Basin, Wyoming.
The purpose of this shapefile is to allow the user to perform
multiple theme queries. This shapefile was created
specifically for the National Coal …