Fire Clay Coal Zone Original Resources by County in Virginia, Kentucky, and West Virginia
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 Fire Clay coal zone resource areas and attributed with original resources (millions of short tons) in aggregated reporting categories as described in USGS Circular 891. The file has been generalized from detailed geologic coverages found elsewhere in Professional Paper 1625-C. This resource model for the Fire Clay coal zone must be considered provisional, because the correlation of the zone continues to be evaluated in West Virginia.
创建时间：
2000-01-01
