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University
Aquifers 20 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.... -
Federal
NOAA C-CAP National Wetland Potential
National Oceanic and Atmospheric Administration, Department of Commerce —
The probability rating which covers landcover mapping provides a continuum of wetness from dry to water. The layer is not a wetland classification but provides the...