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USGS Digital Data Series: Areas of Historical Oil and Gas Exploration and Pro...
"This report contains maps and associated spatial data showing historical oil and gas exploration and production in the United States. Because of the proprietary nature of many... -
Pennsylvania Mine Map Atlas
GIS map of Pennsylvania mine locations and information. -
USGS Water Resources Maps and GIS Data
USGS GIS data of the United States water resources maps, soil, hydrology, and weather. Contains multiple links to useful and informative websites. -
PA Oil and Gas Mapping
GIS map of hydrocarbon production and other features in Pennsylvania -
Virginia Hydrologic Unit Explorer
Interactive GIS map of Virginia's hydrologic features.