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Federal
Sea Level Trends: Sea Level Variations of the United States Derived from National Water Level Observation Network Stations NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
Water level records are a combination of the fluctuations of the ocean and the vertical land motion at the location of the station. Monthly mean sea level (MSL)... -
Federal
Aviation Facilities NGDA
Department of Transportation —
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 Electronic Navigational Charts (ENC) NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The Office of Coast Survey (OCS) has been involved in the development of a NOAA Electronic Navigational Chart (NOAA ENC) suite to support the marine transportation... -
Federal
Census TIGER/Line - Roads NGDA
Department of Transportation —
The TIGER/Line Roads County-based dataset was released July 31, 2025, by the United States Census Bureau (USCB) and is part of the U.S. Department of Transportation... -
Federal
NOAA NEXt-Generation RADar (NEXRAD) Products NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset consists of Level III weather radar products collected from Next-Generation Radar (NEXRAD) stations located in the contiguous United States, Alaska,... -
Federal
NOAA Continuously Operating Reference Stations (CORS) Network NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Geodetic Survey (NGS), an office of NOAA's National Ocean Service, manages a network of Continuously Operating Reference Stations (CORS) that provide... -
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
Large Scale International Boundaries NGDA
Department of State —
Overview The Office of the Geographer and Global Issues at the U.S. Department of State produces the Large Scale International Boundaries (LSIB) dataset. The current... -
Federal
Maritime Limits and Boundaries of United States of America NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile... -
Federal
Tides and Currents Map: an interactive map of all CO-OPS stations NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This interactive map has many features designed to provide a quick and easy way to find a Center for Operational Oceanographic Products and Services (CO-OPS) station.... -
Federal
North American Rail Network Lines NGDA
Department of Transportation —
The North American Rail Network (NARN) Rail Lines dataset was created in 2016 and was updated on January 29, 2026 from the Federal Railroad Administration (FRA) and... -
Federal
List of National Geospatial Data Assets (NGDAs) Portfolio Datasets As Endorsed by the Federal Geospatial Data Committee (FGDC) NGDA
Federal Geographic Data Committee —
An National Geospatial Data Asset (NGDA) is defined as a geospatial dataset that has been designated by the FGDC Steering Committee and meets at least one of the... -
Federal
Multibeam Bathymetry Database (MBBDB) NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
Originally designed for military use, the multibeam echosounder has proved very useful for nautical charting, oceanographic research and modeling, habitat... -
Federal
National Transit Map Stops NGDA
Department of Transportation —
The National Transit Map - Stops dataset was compiled on December 02, 2025 from the Bureau of Transportation Statistics (BTS) and is part of the U.S. Department of... -
Federal
National Waterway Network Nodes NGDA
Department of Transportation —
The National 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
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
National Waterway Network Lines NGDA
Department of Transportation —
The National Waterway Network Lines dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of... -
Federal
Geoid Height and Deflections of the Vertical Models NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
In Gauss' words, the geoid is "the mathematical figure of the Earth". This figure is an equipotential surface coincident with the idealized mean sea surface. The... -
Federal
NOAA High-Resolution Sea Surface Temperature (SST) Analysis Products NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This archive covers two high resolution sea surface temperature (SST) analysis products developed using an optimum interpolation (OI) technique. The analyses have a...