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Federal
Watershed Boundary Dataset (WBD) - USGS National Map Downloadable Data Collection NGDA recent views
Department of the Interior —
The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and... -
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA recent views
Department of the Interior —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
Federal
USGS National Hydrography Dataset (NHD) Stewardship Plan Objectives for FY20 from the The National Map - National Geospatial Data Asset (NGDA) National Hydrography Dataset (NHD) NGDA recent views
U.S. Geological Survey, Department of the Interior —
U.S. Geological Survey, Department of the Interior - The annual National Hydrography Dataset (NHD) stewardship plan is to maintain hydrography data in the NHD over... -
Federal
USGS Watershed Boundary Dataset (WBD) Stewardship Plan Objectives for FY20 from The National Map - National Geospatial Data Asset (NGDA) Watershed Boundary Dataset (WBD) NGDA recent views
U.S. Geological Survey, Department of the Interior —
U.S. Geological Survey, Department of the Interior - The annual Watershed Boundary Dataset (WBD) stewardship plan is to maintain watershed boundary data through usage...