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Federal
World Magnetic Model 2025
National Oceanic and Atmospheric Administration, Department of Commerce —
The World Magnetic Model is the standard model used by the U.S. Department of Defense, the U.K. Ministry of Defence, the North Atlantic Treaty Organization (NATO) and... -
County
Cancer Rates
Lake County, Illinois —
Cancer Rates for Lake County Illinois. Explanation of field attributes: Colorectal Cancer - Cancer that develops in the colon (the longest part of the large... -
Federal
National Status and Trends: Mussel Watch Program
National Oceanic and Atmospheric Administration, Department of Commerce —
Mussel Watch is the longest running continuous chemical contaminant monitoring program in U.S. coastal and Great Lakes waters and was created in response to concerns... -
Federal
Quality-controlled sea surface marine physical, meteorological and other in situ measurements from the NCEI Surface Underway Marine Database (NCEI-SUMD)
National Oceanic and Atmospheric Administration, Department of Commerce —
This collection contains global in-situ sea surface underway measurements from the NOAA NCEI Surface Underway Marine Database (NCEI-SUMD, formerly the NCEI... -
Federal
BIA Mapped Tribal Tracts
Department of the Interior —
The BIA TAAMS Mapped Tribal Tracts and BIA TAAMS Mapped Tribal Parcels datasets depict tracts and parcels with Tribal ownership or are allotted. This dataset is... -
Federal
2024 Cartographic Boundary File (SHP), County and Equivalent for United States, 1:20,000,000
U.S. Census Bureau, Department of Commerce —
The 2024 cartographic boundary shapefiles are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File /... -
Federal
EPA Sole Source Aquifers
U.S. Environmental Protection Agency —
Information on sole source aquifers (SSAs) is widely used in assessments under the National Environmental Policy Act and at the state and local level. A national... -
Corporate Registration
District of Columbia —
The Department of Licensing and Consumer Protection (DLCP) Business and Professional Licensing Administration Corporations Division serves as the Office of Corporate... -
Federal
NCEI Standard Product: World Ocean Database (WOD)
National Oceanic and Atmospheric Administration, Department of Commerce —
The World Ocean Database (WOD) is the world's largest publicly available uniform format quality controlled ocean profile dataset. Ocean profile data are sets of... -
Federal
TIGER/Line Shapefile, 2021, Nation, U.S., Counties and Equivalent Entities
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
Surface Ownership Parcels, detailed (Feature Layer)
Department of Agriculture —
An area depicting ownership parcels of the surface estate. Each surface ownership parcel is tied to a particular legal transaction. The same individual or... -
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... -
City
Census 2020 Block Group
City of Hartford —
The United States Census Bureau defines a Block Group as a "statistical divisions of census tracts, are generally defined to contain between 600 and 3,000 people, and... -
Federal
BIA Tribes (3 of 5): National Land Area Representation
U.S. Environmental Protection Agency —
The purpose of the American Indian and Alaska Native Land Area Representation (AIAN-LAR) Geographic Information System (GIS) dataset is to depict the external extent... -
Federal
Tribal Lands Ceded to the United States (Feature Layer)
Department of Agriculture —
Sixty-seven maps from Indian Land Cessions in the United States, compiled by Charles C. Royce and published as the second part of the two-part Eighteenth Annual... -
Federal
Strategic Highway Network (STRAHNET)
Department of Transportation —
The Strategic Highway Network (STRAHNET) dataset and its geometries was updated on August 08, 2025 from the Federal Highway Administration (FHWA) and is part of the... -
Federal
BIA Mapped Lands Tract Viewer
Department of the Interior —
The BIA TAAMS Mapped Tribal Tracts and BIA TAAMS Mapped Tribal Parcels datasets depict tracts and parcels with Tribal ownership or are allotted. This dataset is... -
Federal
NOAA ENC Direct to GIS
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's Electronic Navigational Charts (NOAA ENCs) have been developed to support the marine transportation infrastructure and coastal management. The NOAA ENCs are in... -
Federal
Major Land Resource Areas (MLRA) NGDA
Department of Agriculture —
The MLRA Geographic Database was prepared for Agriculture Handbook 296 re-publication and is used to support decisions about regional and national agricultural... -
State
Metropolitan Planning Organizations
State of Oregon —
Federal highway and transit statutes require, as a condition for spending federal highway or transit funds in urbanized areas, the designation of MPOs, which have...