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Federal
TIGER/Line Shapefile, 2019, nation, U.S., Primary Roads National Shapefile NGDA 281 recent views
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
Sea Level Trends: Sea Level Variations of the United States Derived from National Water Level Observation Network Stations NGDA 73 recent views
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
Maritime Limits and Boundaries of United States of America NGDA 70 recent views
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
NOAA NEXt-Generation RADar (NEXRAD) Products NGDA 55 recent views
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
USGS Hill Shade Base Map Service from The National Map NGDA 48 recent views
U.S. Geological Survey, Department of the Interior —
The USGS Shaded Relief base map service from The National Map was created with data from the 3D Elevation Program (3DEP) for large and medium scales (1:9,028 through... -
Federal
Tides and Currents Map: an interactive map of all CO-OPS stations NGDA 44 recent views
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
Large Scale International Boundaries NGDA 44 recent views
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
Inland Electronic Navigational Charts (IENC) NGDA 40 recent views
Army Corps of Engineers, Department of the Army, Department of Defense —
These Inland Electronic Navigational Charts (IENCs) were developed from available data used in maintenance of Navigation channels. Users of these IENCs should be... -
Federal
National Bridge Inventory NGDA 39 recent views
Department of Transportation —
The National Bridge Inventory dataset is as of June 15, 2023 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation... -
Federal
Multibeam Bathymetry Database (MBBDB) NGDA 32 recent views
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
Coastal Change Analysis Program (C-CAP) High Resolution Land Cover and Change Data NGDA 22 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA Coastal Change Analysis Program (C-CAP) produces national standardized high resolution land cover and change products for the coastal regions of the U.S. and... -
Federal
Aviation Facilities NGDA 19 recent views
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 16 recent views
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
NOAA Coastal Mapping Shoreline Products NGDA 15 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA Coastal Mapping Shoreline Products from the Remote Sensing Division are primarily for application to the nautical charts produced by NOAA's Office of Coast... -
Federal
Marine Trackline Geophysical Database NGDA 13 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is... -
Federal
National Geospatial Data Asset (NGDA) NOAA Continuously Operating Reference Stations (CORS) Network NGDA 12 recent views
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
Airborne Gravity Data - Gravity for the Redefinition of the American Vertical Datum (GRAV-D) NGDA 11 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Gravity for the Re-definition of the American Vertical Datum (GRAV-D) is a project initiated by NOAA's National Geodetic Survey to collect and monitor gravity data... -
Federal
Environmental Sensitivity Index (ESI) Data Viewer and Data Services for Atlases NGDA 11 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
ESI data characterize the marine and coastal environments and wildlife based on sensitivity to spilled oil. There are three main components: shoreline habitats,... -
Federal
Shoreline Data Rescue Project of Padre and Mustang Islands, TX, TX1938C NGDA 10 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
These data were automated to provide an accurate high-resolution historical shoreline of Padre and Mustang Islands, TX suitable as a geographic information system...