Pittsburgh Coal Bed County Statistics (Geology) in Pennsylvania, Ohio, West Virginia, and Maryland
收藏U.S. Geological Survey2000-01-01 更新2026-04-23 收录
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This dataset is a polygon coverage of counties limited to the extent of the Pittsburgh coal bed resource areas and attributed with statistics on the thickness of the Pittsburgh coal bed, its elevation, and overburden thickness, in feet. The file has been generalized from detailed geologic coverages found elsewhere in Professional Paper 1625-C.
创建时间：
2000-01-01
