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Federal
Watershed Boundary Dataset (WBD) - USGS National Map Downloadable Data Collection NGDA
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
USGS National Transportation Dataset (NTD) Downloadable Data Collection
Department of the Interior —
The USGS Transportation downloadable data from The National Map (TNM) is based on TIGER/Line data provided through U.S. Census Bureau and supplemented with HERE road... -
Federal
Amtrak Routes
Department of Transportation —
The Amtrak Routes dataset updated September 30, 2025 from the Federal Railroad Administration (FRA) and is part of the U.S. Department of Transportation... -
Federal
TIGER/Line Shapefile, 2018, nation, U.S., Current County and Equivalent National Shapefile
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
Tillage Practices in the Conterminous United States, 1989-2004--Datasets Aggregated by Watershed; tillage_lu92e
Department of the Interior —
This dataset is an aggregation of county-level tillage practices to the 8-digit hydrologic unit watershed. The original county-level data were collected by the... -
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
Poverty Mapping Project: Poverty and Food Security Case Studies
National Aeronautics and Space Administration —
The Poverty Mapping Project: Poverty and Food Security Case Studies data set consists of small area estimates of poverty, inequality, food security and related... -
Federal
TIGER/Line Shapefile, 2019, nation, U.S., Current American Indian Tribal Subdivision (AITS) National
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
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
IceBridge Sander AIRGrav L1B Geolocated Free Air Gravity Anomalies V002
National Aeronautics and Space Administration —
This data set contains gravity measurements, including acceleration data in three orthogonal directions, from the Sander Geophysics AIRGrav airborne gravity system.... -
Federal
Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD), 1998-2019, V4.GL.03 NGDA
National Aeronautics and Space Administration —
The Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD), 1998-2019, V4.GL.03 consists of annual concentrations (micrograms per cubic... -
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
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: NLCD 2001 Land Use and Land Cover
Department of the Interior —
This data set represents the estimated area of land use and land cover from the National Land Cover Dataset 2001 (LaMotte, 2008), compiled for every catchment of... -
Federal
IceBridge Ku-Band Radar L1B Geolocated Radar Echo Strength Profiles V002
National Aeronautics and Space Administration —
This data set contains elevation and surface measurements over Greenland, the Arctic, and Antarctica, as well as flight path charts and echogram images acquired using... -
Federal
IceBridge Accumulation Radar L1B Geolocated Radar Echo Strength Profiles V002
National Aeronautics and Space Administration —
This data set contains radar echograms taken over Greenland and Antarctica using the Center for Remote Sensing of Ice Sheets (CReSIS) Accumulation Radar instrument.... -
Federal
AMSR-E/Aqua Daily L3 25 km Brightness Temperature & Sea Ice Concentration Polar Grids V003
National Aeronautics and Space Administration —
This Level-3 gridded product (AE_SI25) includes brightness temperatures at 6.9 through 89.0 GHz and sea ice concentrations. -
Federal
International Bathymetric Chart of the Arctic Ocean, Version 3.0
National Oceanic and Atmospheric Administration, Department of Commerce —
IBCAO Version 3.0 represents the largest improvement since 1999 taking advantage of new data sets collected by the circum-Arctic nations, opportunistic data collected...