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DateTitleProvider
2019 Digital Flood Insurance Rate Map Database, Pennsylvania Federal Emergency Management Agency
2009 National Wetlands Inventory for Pennsylvania U S Fish and Wildlife Service
2004 NHDFlowline - Allegheny U S Geological Survey
2004 NHDFlowline - Delaware U S Geological Survey
2004 NHDFlowline - Erie U S Geological Survey
2004 NHDFlowline - Monongahela U S Geological Survey
2004 NHDFlowline - Pennsylvania U S Geological Survey
2004 NHDFlowline - Potomac U S Geological Survey
2004 NHDFlowline - Southwest Lake Ontario U S Geological Survey
2004 NHDFlowline - Susquehanna U S Geological Survey
2004 NHDFlowline - Upper Chesapeake U S Geological Survey
2004 NHDFlowline - Upper Ohio U S Geological Survey
2004 NHDWaterbody - Allegheny U S Geological Survey
2004 NHDWaterbody - Delaware U S Geological Survey
2004 NHDWaterbody - Erie U S Geological Survey
2004 NHDWaterbody - Monongahela U S Geological Survey
2004 NHDWaterbody - Pennsylvania U S Geological Survey
2004 NHDWaterbody - Potomac U S Geological Survey
2004 NHDWaterbody - Southwest Lake Ontario U S Geological Survey
2004 NHDWaterbody - Susquehanna U S Geological Survey
2004 NHDWaterbody - Upper Chesapeake U S Geological Survey
2004 NHDWaterbody - Upper Ohio U S Geological Survey
2003 Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands U S Geological Survey