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Federal
TIGER/Line Shapefile, 2019, nation, U.S., Primary Roads National Shapefile NGDA 195 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
Cropland Data Layer NGDA 107 recent views
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... -
Federal
Soil Survey Geographic Database (SSURGO) NGDA 81 recent views
Department of Agriculture —
This dataset is a digital soil survey and generally is the most detailed level of soil geographic data developed by the National Cooperative Soil Survey. The... -
Federal
Maritime Limits and Boundaries of United States of America NGDA 73 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
BLM National Public Land Survey System Polygons NGDA 54 recent views
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
BLM National SMA Surface Management Agency Area Polygons NGDA 54 recent views
Department of the Interior —
The Surface Management Agency (SMA) Geographic Information System (GIS) dataset depicts Federal land for the United States and classifies this land by its active... -
Federal
FS National Forests Dataset (US Forest Service Proclaimed Forests) NGDA 43 recent views
Department of Agriculture —
The FS National Forests Dataset (US Forest Service Proclaimed Forests) is a depiction of the boundaries encompassing the National Forest System (NFS) lands within the... -
Federal
Major Land Resource Areas (MLRA) NGDA 36 recent views
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... -
Federal
Inland Electronic Navigational Charts (IENC) NGDA 33 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
Sea Level Trends: Sea Level Variations of the United States Derived from National Water Level Observation Network Stations NGDA 30 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
NOAA Electronic Navigational Charts (ENC) NGDA 27 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
Coastal Change Analysis Program (C-CAP) High Resolution Land Cover and Change Data NGDA 21 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
Multibeam Bathymetry Database (MBBDB) NGDA 20 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
BOEM Seismic Water Bottom Anomalies - Gulf of Mexico - Gulf of Mexico NAD27 NGDA 18 recent views
Department of the Interior —
Since 1998, geoscientists at the Bureau of Ocean Energy Management (BOEM) have identified and mapped over 31,000 water bottom (seafloor) acoustic amplitude anomalies... -
Federal
National Geospatial Data Asset (NGDA) NOAA Continuously Operating Reference Stations (CORS) Network NGDA 17 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
OCS Blocks - Gulf of Mexico Region NGDA 16 recent views
Department of the Interior —
Outer Continental Shelf (OCS) blocks serve as the legal definition for BOEM offshore boundary coordinates used to define small geographic areas within an Official... -
Federal
Gridded Soil Survey Geographic (gSSURGO-30) Database for the Conterminous United States - 30 meter NGDA 15 recent views
Department of Agriculture —
This dataset is called the Gridded SSURGO (gSSURGO) Database and is derived from the Soil Survey Geographic (SSURGO) Database. SSURGO is generally the most detailed... -
Federal
ASTER Global DEM NGDA 13 recent views
National Aeronautics and Space Administration —
ASTER is capable of collecting in-track stereo using nadir- and aft-looking near infrared cameras. Since 2001, these stereo pairs have been used to produce single-... -
Federal
Airborne Gravity Data - Gravity for the Redefinition of the American Vertical Datum (GRAV-D) NGDA 13 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...