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Upper Freeport Coal Bed Original Resources by County in Pennsylvania, Ohio,...
This dataset is a polygon coverage of counties limited to the extent of the Upper Freeport coal bed resource areas and attributed with original resources (millions of short... -
Upper Freeport Coal Bed Original Resources by County in Pennsylvania, Ohio,...
This dataset is a polygon coverage of counties limited to the extent of the Upper Freeport coal bed resource areas and attributed with original resources (millions of short...