-
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... -
University
Aquifers recent views
Earth Data Analysis Center, University of New Mexico —
This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons.... -
University
New Mexico Federal Lands recent views
Earth Data Analysis Center, University of New Mexico —
This map layer consists of federally owned or administered lands of the United States, Puerto Rico, and the U.S. Virgin Islands. Only areas of 640 acres or more are... -
Federal
Social Vulnerability Index (SoVI) for the U.S. Coastal States based on the 2010 Census Tracts recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The Social Vulnerability Index (SoVI) 2006-10 measures the social vulnerability of U.S. counties to environmental hazards. The index is a comparative metric that... -
Federal
Cape Cod Bay, MA (N180) Bathymetric Digital Elevation Model (30 meter resolution) Derived From Source Hydrographic Survey Soundings Collected by NOAA recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetry for Cape Cod Bay was derived from fifteen surveys containing 139,022 soundings. One entire overlapping, older, less accurate survey was omitted, and the... -
Federal
Buzzards Bay, MA (M010) Bathymetric Digital Elevation Model (30 meter resolution) Derived From Source Hydrographic Survey Soundings Collected by NOAA recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetry for Buzzards Bay was derived from twenty-two surveys containing 220,615 soundings. Eight older, less accurate, overlapping surveys were omitted, and the... -
Federal
Nantucket, Massachusetts 1/3 arc-second MHW Coastal Digital Elevation Model recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated... -
Federal
Massachusetts Bay, MA (N170) Bathymetric Digital Elevation Model (30 meter resolution) Derived From Source Hydrographic Survey Soundings Collected by NOAA recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetry for Massachusetts Bay was derived from thirty-eight surveys containing 297,628 soundings. Two older, less accurate, overlapping surveys were omitted before...