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Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA 94 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
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
Federal
Vegetation biomass and density from three locations in the Sacramento-San Joaquin Delta, California, 2017 to 2018
Department of the Interior —
Vegetation type and density data were collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center at three locations in the Sacramento-... -
Federal
National Hydrography Dataset High Resolution flowlines with name of the nearest downstream named feature for unnamed streams in and around Montana
Department of the Interior —
The National Hydrography Dataset (NHD) High Resolution flowlines were used as a base to provide additional information on the connectivity of the stream network for... -
Federal
Field Parameters and Water Levels from Monitoring Sites at Jamestown Island, Virginia, 2016 - 2018
Department of the Interior —
As part of a study to analyze the effects of sea-level rise on groundwater resources of Colonial National Historical Park, a monitoring network was established on... -
Federal
Seamless USGS Hydrography for the Grand Strand region of South Carolina (HSHYDD, 1:24000: Polygon shapefile)
Department of the Interior —
In 1999, the U.S. Geological Survey (USGS), in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline...