Hanna 77, 78, 79 and 81 coal zone study limit boundaries, Wyoming (ha*stdyg)
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资源简介：
These ArcView shapefiles contain representations of the Hanna coal zone study limit boundaries in the Hanna coalfield, Hanna Basin, Wyoming. These shapefiles were created specifically for the National Coal Resource Assessment in the Northern Rocky Mountains and Great Plains Region.
创建时间：
2016-10-29
