CONSOL Energy Mine Map Preservation Project CONSOL Energy Inc. National Mine Map Repository, US Dept. of the Interior, Office of Surface Mining, Reclamation & Enforcement Pennsylvania Dept. of Environmental Protection University Library System, University of Pittsburgh |
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OVERVIEW & STATISTICS SURVEYING TREATMENT SCANNING RESOURCES CONSOL CONSOL Energy Inc. PA DEP Pennsylvania Dept. of Environmental Protection NMMR National Mine Map Repository, US Dept. of the Interior, Office of Surface Mining, Reclamation & Enforcement ULS University Library System, University of Pittsburgh |
Surveying
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