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Federal
TIGER/Line Shapefile, 2019, nation, U.S., Primary Roads National Shapefile NGDA 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
NOAA NEXt-Generation RADar (NEXRAD) Products NGDA 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
Large Scale International Boundaries NGDA 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
Maritime Limits and Boundaries of United States of America NGDA 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
USGS Hill Shade Base Map Service from The National Map NGDA 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
Multibeam Bathymetry Database (MBBDB) NGDA 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
Marine Trackline Geophysical Database NGDA 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
USGS Land Cover (NLCD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) National Land Cover Database (NLCD) NGDA recent views
U.S. Geological Survey, Department of the Interior —
NLCD 1992, NLCD 2001, NLCD 2006, and NLCD 2011 are National Land Cover Database classification schemes based primarily on Landsat data along with ancillary data... -
Federal
USGS Hydrography (NHD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) National Hydrography Dataset (NHD) NGDA recent views
U.S. Geological Survey, Department of the Interior —
The USGS National Hydrography Dataset (NHD) service from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information about... -
Federal
USGS Watershed Boundary Dataset (WBD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) Watershed Boundary Dataset (WBD) NGDA recent views
U.S. Geological Survey, Department of the Interior —
The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics.... -
Federal
USGS 3DEP Elevation Service from The National Map - National Geospatial Data Asset (NGDA) NGDA recent views
U.S. Geological Survey, Department of the Interior —
The USGS 3D Elevation Program (3DEP) Bare Earth DEM Dynamic service is based on multi-resolution USGS DEM sources and provides dynamic functions for visualization.... -
Federal
USGS 3DEP Elevation Availability Index (NED) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) National Elevation Data Set (NED) NGDA recent views
U.S. Geological Survey, Department of the Interior —
The USGS 3D Elevation Program (3DEP) Index service from The National Map shows two general categories of downloadable elevation data: (1) digital elevation model... -
Federal
USGS Geographic Names (GNIS) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) Geographic Names Information System (GNIS) NGDA recent views
U.S. Geological Survey, Department of the Interior —
USGS developed The National Map (TNM) Gazetteer as the Federal and national standard (ANSI INCITS 446-2008) for geographic nomenclature based on the Geographic Names... -
Federal
NOS Hydrographic Surveys Collection NGDA recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
USGS Structures Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) USGS National Structures Dataset NGDA recent views
U.S. Geological Survey, Department of the Interior —
USGS Structures from The National Map (TNM) consists of data to include the name, function, location, and other core information and characteristics of selected... -
Federal
USGS Hydro Cached Base Map Service from The National Map NGDA recent views
U.S. Geological Survey, Department of the Interior —
âThis service is a cached overlay of a cartographic representation of the National Hydrography Dataset (NHD). âThe NHD is a comprehensive set of digital... -
Federal
NOAA Coastal Mapping Shoreline Products NGDA 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...