Geology of the Powder River Basin, 1999 National Coal Resource Assessment (prbgeolg)
收藏USGS-Science Data Catalog2026-03-14 收录
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https://data.usgs.gov/datacatalog/data/USGS:60ad106cd34e4043c850e028
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资源简介：
This ArcView shapefile contains a polygon representation
of the generalized geology of the Powder River Basin
(Montana and Wyoming). This theme was created
specifically for the National Coal Resources Assessment in
the Northern Rocky Mountains and Great Plains Region.
创建时间：
2026-03-13
