Overburden above the Wyodak-Anderson coal zone in the Gillette coalfield, Wyoming (gilovbg.shp)
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资源简介：
This ArcView shapefile contains a polygon representation of overburden thickness above the Wyodak-Anderson coal zone in the area of Gillette coalfield, Wyoming. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky Mountains and Great Plains Region
创建时间：
1999-01-01
