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You searched for: Place Ohio Remove constraint Place: Ohio Provider Pennsylvania State University Remove constraint Provider: Pennsylvania State University

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2. National Hydrography Dataset (NHD) Waterbody: Upper Ohio

Datasets datasets pennsylvania-state-university
2004. United States Geological Survey (USGS)U.S. Environmental Protection Agency. The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m... State of Pennsylvania.

3. National Hydrography Dataset (NHD) Flowline: Upper Ohio

Datasets datasets pennsylvania-state-university
2004. United States Geological Survey (USGS)U.S. Environmental Protection Agency. The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that m... State of Pennsylvania.
1778. Hutchins, Thomas, 1730-1789. Scale approximately 1:1,270,000; 1 map 92 x 109 cm Ohio River Valley--Maps--Early works to 1800.