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From the site: "Location of mined areas, including surface and deep coal and non-coal mining. Data incomplete, areas not mapped when screened at small scales during low level...
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View within SubmissionGathering Resources...From the site: "Coverages containing Anthracite coal seam data by quadrangle for the state of Pennsylvania. Digitized from the Harrisburg Bureau of Mining and Reclamation mylar...-
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View within SubmissionGathering Resources...In 2001, the Bureau of Topographic and Geologic Survey (the Bureau) released the Digital Bedrock Geology of Pennsylvania. This dataset was based on Map 1, Geologic Map of...-
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View within SubmissionGathering Resources... -