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Federal
BLM National PLSS Public Land Survey System Polygons NGDA
Department of the Interior —
This dataset represents the GIS Version of the Public Land Survey System including both rectangular and non-rectangular surveys. The primary source for the data is... -
Federal
Permanent Employment Certification (PERM) Program Historical Data
Department of Labor —
This dataset includes data that the Employment and Training Administration's Office of Foreign Labor Certification (OFLC) collected from Permanent Employment... -
Federal
NPL Superfund Site Boundaries (EPA)
U.S. Environmental Protection Agency —
This GIS dataset contains polygons depicting U.S. EPA Superfund Site boundaries. Site boundaries are polygons representing the footprint of a whole site, defined for... -
Federal
Compilation of Geospatial Data (GIS) for the Mineral Industries and Related Infrastructure of Africa
Department of the Interior —
This geodatabase reflects the U.S. Geological Survey’s (USGS) ongoing commitment to its mission of understanding the nature and distribution of global mineral... -
Federal
Global Volcano Locations Database
National Oceanic and Atmospheric Administration, Department of Commerce —
NCEI maintains a database of over 1,500 volcano locations obtained from the Smithsonian Institution Global Volcanism Program, Volcanoes of the World publication. 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 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
TIGER/Line Shapefile, 2023, Nation, U.S., Primary Roads
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
TIGER/Line Shapefile, 2019, nation, U.S., Coastline 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
TIGER/Line Shapefile, 2020, Nation, U.S., American Indian Tribal Subdivisions
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
U.S. Billion-dollar Weather and Climate Disasters, 1980 - present (NCEI Accession 0209268)
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA National Centers for Environmental Information ceased providing support for this product in May 2025 in response to an initiative to implement reductions... -
Federal
Tropic of Cancer
National Oceanic and Atmospheric Administration, Department of Commerce —
The Tropic of Cancer lies at 23d 26' 22" (23.4394 degrees) north of the Equator and marks the most northerly latitude at which the sun can appear directly overhead at... -
Federal
Gulf of Mexico Hypoxia Watch Bottom Dissolved Oxygen Contours for June and July SEAMAP Cruise of 2005
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA Hypoxia Watch project provides near-real-time, web-based maps of dissolved oxygen near the sea floor over the Texas-Louisiana continental shelf during a... -
Grocery Store Locations
District of Columbia —
To create this layer, OCTO staff used ABCA's definition of “Full-Service Grocery Stores” (https://abca.dc.gov/page/full-service-grocery-store#gsc.tab=0)– pulled from... -
DC Public Employee Salary
District of Columbia —
DC Department of Human Resources provides District government employees with a variety of services and programs on employee benefits, policy and procedures,... -
Federal
TIGER/Line Shapefile, 2019, nation, U.S., Primary Roads National Shapefile NGDA
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
Cropland Data Layer NGDA
Department of Agriculture —
The USDA National Agricultural Statistics Service (NASS) Cropland Data Layer (CDL) is an annual raster, geo-referenced, crop-specific land cover data layer produced... -
DC Office of Tax and Revenue Real Property Assessment Map App
District of Columbia —
The DC Office of the Chief Financial Officer (OCFO), Office of Tax and Revenue (OTR), Real Property Tax Administration (RPTA) values all real property in the District...