Knobloch coal resource unit - main coal bed split, 1999 National Coal Resource Assessment (knsplitg.shp)
收藏U.S. Geological Survey1999-01-01 更新2026-04-23 收录
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https://www.sciencebase.gov/catalog/item/60ac0a74d34ea221ce51fe54
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资源简介：
This ArcView shapefile contains a polygon representation of the Knobloch coal resource unit - main coal bed split. This theme was created specifically for the National Coal Resources 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
