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Federal
Food Access Research Atlas
Department of Agriculture —
The Food Access Research Atlas presents a spatial overview of food access indicators for low-income and other census tracts using different measures of supermarket... -
Federal
National Bridge Inventory NGDA
Federal Geographic Data Committee —
The National Bridge Inventory dataset is as of June 20, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation... -
Federal
Supplemental Nutrition Assistance Program (SNAP) Data System
Department of Agriculture —
Note: The Food Environment Atlas contains ERS's most recent and reliable data on food assistance programs, including participants in the SNAP Program. The... -
Federal
SRTM30+ Global 1-km Digital Elevation Model (DEM): Version 11: Land Surface
National Oceanic and Atmospheric Administration, Department of Commerce —
A global 1-km resolution land surface digital elevation model (DEM) derived from U.S. Geological Survey (USGS) 30 arc-second SRTM30 gridded DEM data created from the... -
Federal
Food Environment Atlas
Department of Agriculture —
Food environment factors--such as store/restaurant proximity, food prices, food and nutrition assistance programs, and community characteristics--interact to... -
Federal
Neighborhoods, US, 2017, Zillow, SEGS
U.S. Environmental Protection Agency —
This web service depicts nearly 17,000 neighborhood boundaries in over 650 U.S. cities. Zillow created the neighborhood boundaries and is sharing them with the public... -
Federal
US EPA Nonattainment Areas and Designations
U.S. Environmental Protection Agency —
This web service contains the following state level layers:Ozone 8-hr (1997 standard), Ozone 8-hr (2008 standard), Lead (2008 standard), SO2 1-hr (2010 standard),... -
Air Quality History
District of Columbia —
This dataset contains quality assured and DOEE-certified air quality data collected from the District’s five air monitoring network sites. The dataset covers a three-... -
Federal
Meteorological Data (including visibility)
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Ocean Service (NOS) maintains a long-term database containing data from active and historic stations installed all over the United States and U.S.... -
Federal
WaveWatch III (WW3) Global Wave Model
National Oceanic and Atmospheric Administration, Department of Commerce —
Through a collaborative effort with NOAA/NCEP and NWS Honolulu, the University of Hawaii has implemented a global-scale WaveWatch III (WW3) 7-day model with a 5-day... -
Federal
Global Historical Climatology Network - Daily (GHCN-Daily), Version 3
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Historical Climatology Network - Daily (GHCN-Daily/GHCNd) dataset integrates daily climate observations from approximately 30 different data sources.... -
ACS 1-Year Demographic Characteristics DC
District of Columbia —
Age, Sex, Race, Ethnicity, Total Housing Units, and Voting Age Population. This service is updated annually with American Community Survey (ACS) 1-year data. Contact:... -
Federal
DOE Legacy Management Sites
Department of Energy —
Each point is a representation of an U.S. Department of Energy Office of Legacy Management (LM) site. The coordinates of each site point are either the location of a... -
Federal
U.S. Level III and IV Ecoregions (U.S. EPA)
U.S. Environmental Protection Agency —
This map service displays Level III and Level IV Ecoregions of the United States and was created from ecoregion data obtained from the U.S. Environmental Protection... -
Federal
USGS 10-m Digital Elevation Model (DEM): Hawaii: Oahu: Hillshade
National Oceanic and Atmospheric Administration, Department of Commerce —
A 10-meter resolution land surface digital elevation model (DEM) grayscale hillshade for the island of Oahu in Hawaii derived from United States Geological Survey... -
Federal
Atlas of Rural and Small-Town America
Department of Agriculture —
View the diversity of challenges and opportunities across America's counties within different types of rural regions and communities. Get statistics on people, jobs,... -
Federal
Aviation Facilities NGDA
Federal Geographic Data Committee —
The Aviation Facilities dataset is updated every 28 days from the Federal Aviation Administration (FAA) and is part of the U.S. Department of Transportation... -
Federal
NOAA Next Generation Radar (NEXRAD) Level 3 Products
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset consists of Level 3 weather radar products collected from Next-Generation Radar (NEXRAD) stations located in the contiguous United States, Alaska,... -
Federal
USGS 10-m Digital Elevation Model (DEM): Hawaii: Kauai
National Oceanic and Atmospheric Administration, Department of Commerce —
A 10-meter resolution land surface digital elevation model (DEM) for the island of Kauai in Hawaii from U.S. Geological Survey (USGS) 1/3 arc-second DEM quadrangles....