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Federal
Attributes for NHDPlus Catchments (Version 1.1): Level 3 Nutrient Ecoregions, 2002
Department of the Interior —
This data set represents the area of each level 3 nutrient ecoregion in square meters, compiled for every catchment of NHDPlus for the conterminous United States. The... -
Federal
NWHI Essential Fish Habitat Boundaries
National Oceanic and Atmospheric Administration, Department of Commerce —
Essential Fish Habitat depth polygon. -
Federal
Submarine Upward Looking Sonar Ice Draft Profile Data and Statistics, Version 1
National Aeronautics and Space Administration —
This data set consists of upward looking sonar sea ice draft data collected by submarines in the Arctic Ocean. It includes data from both U.S. Navy and Royal Navy...