Unioned layer for the Wyodak-Anderson coal zone in the Gillette coalfield, Wyoming (gilfing.shp)
This ArcView shapefile contains a polygon representation
of numerous themes for the Gillette Coalfield.  These
themes are listed in the process steps.  The purpose of this
shapefile is to allow the users to perform multiple theme
queries. This theme was created specifically for the
National Coal Resource Assessment in …