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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
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
TIGER/Line Shapefile, 2018, nation, U.S., Current County and Equivalent National Shapefile 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
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
TIGER/Line Shapefile, 2018, state, Alaska, Current Alaska Native Regional Corporation (ANRC) State-based 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
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
TIGER/Line Shapefile, 2018, nation, U.S., Current American Indian/Alaska Native/Native Hawaiian Areas National (AIANNH) National 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
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
International Bathymetric Chart of the Arctic Ocean, Version 3.0 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
IBCAO Version 3.0 represents the largest improvement since 1999 taking advantage of new data sets collected by the circum-Arctic nations, opportunistic data collected... -
Federal
International Bathymetric Chart of the Arctic Ocean, Version 1.0 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The goal of this initiative is to develop a digital data base that contains all available bathymetric data north of 64 degrees North, for use by mapmakers,... -
Federal
TIGER/Line Shapefile, 2018, nation, U.S., Current American Indian Tribal Subdivision (AITS) National 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
International Bathymetric Chart of the Arctic Ocean, Version 2.23 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The goal of this initiative is to develop a digital data base that contains all available bathymetric data north of 64 degrees North, for use by mapmakers,...