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You searched for: Place Ohio Remove constraint Place: Ohio Time Period 2000-2004 Remove constraint Time Period: 2000-2004

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22. 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.

23. 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.