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Federal
USGS US Topo Map Collection
Department of the Interior —
Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography,... -
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
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
usSEABED: Offshore Surficial-Sediment Database for Samples Collected within the United States Exclusive Economic Zone
Department of the Interior —
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... -
Federal
Hydrologic landscape regions of the United States
Department of the Interior —
Hydrologic landscape regions (HLRs) in the United States were delineated by using geographic information system (GIS) tools and statistical methods including... -
Federal
Water-level change, High Plains aquifer, 2000 to 2005
Department of the Interior —
This raster data set represents water-level change in the High Plains aquifer of the United States from 2000 to 2005, in feet. The High Plains aquifer underlies 112.6... -
Federal
Water-level change, High Plains aquifer, 1980 to 1995
Department of the Interior —
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... -
Federal
Water-level change, High Plains aquifer, 1995 to 2000
Department of the Interior —
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... -
Federal
Water-level change, High Plains aquifer, 2005 to 2009
Department of the Interior —
This raster data set represents water-level change in the High Plains aquifer of the United States from 2005 to 2009, in feet. The High Plains aquifer underlies 112.6... -
Federal
USGS Dynamical Downscaled Regional Climate
Department of the Interior —
We have completed an array of high-resolution simulations of present and future climate over Western North America (WNA) and Eastern North America (ENA) by... -
Federal
CMS: Forest Biomass and Productivity, 1-degree and 5-km, Conterminous US, 2005
National Aeronautics and Space Administration —
Notice: This data set and guide were updated on June 30, 2014 to correct an error in the reported units. The data values were not changed.Spatially-gridded estimates...