Overburden above the Johnson-107 coal zone in the South Carbon coalfield, Wyoming (scovbg)
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资源简介：
This ArcView shape file contains a representation of the Johnson-107 coal zone overburden in the South Carbon coalfield, Carbon Basin, 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
