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Pennsylvania Department of Environmental Protection, Bureau of District Mining Operations
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Economy
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1. Digitized Mined Areas: Pennsylvania
2018. Pennsylvania Department of Environmental Protection, Bureau of District Mining Operations. Coal mining has occurred in Pennsylvania for over a century. The maps to these coal mines are stored at many various public and private locations (...
2. Longwall Mining Panels: Pennsylvania
2018. Pennsylvania Department of Environmental Protection, Bureau of District Mining Operations. Coal mining has occurred in Pennsylvania for over a century. A method of coal mining known as Longwall Mining has become more prevalent in recent d...