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Inland Waters
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Penn State
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Delaware, United States
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1. Delaware Water Gap Landuse: Pennsylvania
2000. US Geological Survey (USGS). Landuse for the Delaware Water Gap and Surrounding watersheds and tributaries.
2. National Hydrography Dataset (NHD) Waterbody: Delaware
2004. U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details). The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m...