Denver Coal Basin boundary from 1999 National Coal Resource Assessment
收藏USGS-Science Data Catalog2026-03-14 收录
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https://data.usgs.gov/datacatalog/data/USGS:60a80548d34ea221ce4e5516
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资源简介：
This ArcView shapefile contains a polygon representing
the extent of the Denver coal basin boundary. 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
