Overburden above the Ferris 23, 25, 31, 50 and 65 coal zones, Hanna Basin, Wyoming (fer*ovbg)
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资源简介：
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.
创建时间：
1999-01-01
