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Subject
Hydrology
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Collection
Pennsylvania Spatial Data Access (PASDA)
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Place
Ohio, United States
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Search Results
1. National Hydrography Dataset (NHD) Flowline: Upper Ohio
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...
2. National Hydrography Dataset (NHD) Waterbody: Upper Ohio
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...