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USGS Water-Quality Data for the Nation - National Water Information System (NWIS)
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands,... -
USGS US Topo Map Collection
Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, boundaries,... -
FWS Critical Habitat for Threatened and Endangered Species Dataset NGDA
When a species is proposed for listing as endangered or threatened under the Endangered Species Act, the U.S. Fish and Wildlife Service must consider whether there are areas of... -
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
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 surface... -
Protected Areas Database of the United States (PAD-US) NGDA
This is series-level metadata for the USGS Protected Areas Database of the United States (PAD-US) data released by the United States Geological Survey (USGS). PAD-US is the... -
USFWS National Wetlands Inventory NGDA
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate the areal... -
USGS Surface-Water Data for the Nation - National Water Information System (NWIS)
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands,... -
Terrestrial Ecosystems - Land Surface Forms of the Conterminous United States
The U.S. Geological Survey (USGS) has generated land surface form classes for the contiguous United States. These land surface form classes were created as part of an effort to... -
usSEABED: Offshore Surficial-Sediment Database for Samples Collected within the United States Exclusive Economic Zone
Since the second half of the 20th century, there has been an increase in scientific interest, research effort, and information gathered on the geologic sedimentary character of... -
USGS Groundwater Data for the Nation - National Water Information System (NWIS)
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands,... -
Hydrologic landscape regions of the United States
Hydrologic landscape regions (HLRs) in the United States were delineated by using geographic information system (GIS) tools and statistical methods including principal... -
Conterminous United States Land Cover Projections - 1992 to 2100
The USGS’s FORE-SCE model was used to produce land-use and land-cover (LULC) projections for the conterminous United States. The projections were originally created as part of... -
USGS Water Use Data for the Nation - National Water Information System (NWIS)
The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in cooperation... -
Digital data set describing surficial geology in the conterminous US
This digital data set describes surficial geology of the conterminous United States. The data set was generated from a U.S. Geological Survey 1:7,500,000-scale map of surficial... -
USGS Streamgages Linked to the Medium Resolution NHD
The locations of approximately 23,000 current and historical U.S. Geological Survey (USGS) streamgages in the United States and Puerto Rico (with the exception of Alaska) have... -
Water-level change, High Plains aquifer, 1980 to 1995
This raster data set represents water-level change in the High Plains aquifer of the United States from 1980 to 1995, in feet. The High Plains aquifer underlies 112.6 million... -
Attributes for NHDPlus Catchments (Version 1.1)for the Conterminous United States: Contact Time, 2002
This data set represents the average contact time, in units of days, compiled for every catchment of NHDPlus for the conterminous United States. Contact time, as described in... -
Water-level change, High Plains aquifer, 1995 to 2000
This raster data set represents water-level change in the High Plains aquifer of the United States from 1995 to 2000, in feet. The High Plains aquifer underlies 112.6 million...
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