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Bituminous Surface Mine Permits
Pennsylvania Department of Environmental Protection
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A layer containing the permit boundaries of Bituminous Coal Surface Mines. Data was converted over from the physical "Mylar Review" system for surface mine permit location look-ups. The physical topographic maps and mylar overlays have been scanned, georeferenced, and vectorized to create the permit boundary polygon layers with an index number attribute. The corresponding index cards have been data entered in a spreadsheet. The polygon layers' attribute tables were joined with the spreadsheet. More recent surface mine permit boundaries and attributes were digitized directly as shapefiles. This layer represents a combination of various surface mine permit tracking systems. All future surface mine permit boundaries will be updated here, as the mylar system is phased out.