Overburden above the Wyodak-Anderson coal zone in the Powder River Basin, Wyoming and Montana, 1999 (waovbg.shp)
收藏U.S. Geological Survey1999-01-01 更新2026-04-23 收录
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资源简介：
This shapefile contains a representation of the overburden above the Wyodak-Anderson coal zone. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky Mountains and Great Plains Region
提供机构：
United States Geological Survey
创建时间：
1999-01-01
