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Federal
NOAA ENC Direct to GIS 11 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's Electronic Navigational Charts (NOAA ENCs) have been developed to support the marine transportation infrastructure and coastal management. The NOAA ENCs are in... -
Federal
USGS Hydrography (NHD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) National Hydrography Dataset (NHD) NGDA
U.S. Geological Survey, Department of the Interior —
The USGS National Hydrography Dataset (NHD) service from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information about... -
Federal
USGS Watershed Boundary Dataset (WBD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) Watershed Boundary Dataset (WBD) NGDA
U.S. Geological Survey, Department of the Interior —
The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics.... -
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
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
Hydrographic and Impairment Statistics Database: VIIS
Department of the Interior —
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in...