Overburden above the Ferris 23, 25, 31, 50 and 65 coal zones, Hanna Basin, Wyoming (fer*ovbg)
These ArcView shapefiles contain representations of the
thickness of overburden above the Ferris coal zones in
the Ferris coalfield, Hanna Basin, Wyoming. These datasets
was created specifically for the National Coal Resource
Assessment in the Northern Rocky Mountains and Great
Plains Region.