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Federal
Protected Areas Database of the United States (PAD-US) NGDA
Department of the Interior —
This is series-level metadata for the USGS Protected Areas Database of the United States (PAD-US) data released by the United States Geological Survey (USGS). PAD-US... -
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
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 Bridge Inventory NGDA
Department of Transportation —
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
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
Intermodal Passenger Connectivity Database (IPCD)
Department of Transportation —
The Intermodal Passenger Connectivity Database (IPCD) dataset was compiled on August 10, 2021 and was updated October 19, 2022 from the Bureau of Transportation... -
Federal
Principal Ports
Department of Transportation —
The Principal Ports dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of Transportation... -
Federal
USEPA Environmental Quality Index (EQI) - Air, Water, Land, Built, and Sociodemographic Domains Non-Transformed Variables Dataset as Input for the 2000-2005 USEPA EQI, by County for the United States
U.S. Environmental Protection Agency —
The US Environmental Protection Agency's (EPA) National Health and Environmental Effects Research Laboratory (NHEERL) in the Environmental Public Health Division... -
Federal
Freight Analysis Framework (FAF5) Regions
Department of Transportation —
The Freight Analysis Framework (FAF5) - Regions dataset was created from 2017 base year data and was published on April 11, 2022 from the Bureau of Transportation... -
Federal
National Highway Planning Network
Department of Transportation —
The National Highway Planning Network (NHPN) dataset was compiled on May 01, 2014 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of... -
Federal
Collection TIGERweb, 2017, Series Information for the TIGERweb, Web Mapping Service and REST files
U.S. Census Bureau, Department of Commerce —
TIGERweb allows the viewing of TIGER spatial data online and for TIGER data to be streamed to your mapping application. TIGERweb consists of a web mapping service and... -
Federal
USGS Streamgages Linked to the Medium Resolution NHD
Department of the Interior —
The locations of approximately 23,000 current and historical U.S. Geological Survey (USGS) streamgages in the United States and Puerto Rico (with the exception of... -
Federal
Navigable Waterway Network Nodes NGDA
Department of Transportation —
The Navigable Waterway Network Nodes dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of... -
Federal
EnviroAtlas - HU12_polygon
U.S. Environmental Protection Agency —
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of...