6 datasets found
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Federal
Zebra and Quagga Mussel Distribution in North America - Direct Download 30 recent views
U.S. Geological Survey, Department of the Interior —
The concern caused by the explosive spread of the zebra mussel, (Dreissena polymorpha), within the United States resulted in passage of the Nonindigenous Aquatic... -
Federal
North American Bat Ranges - Direct Download 10 recent views
U.S. Geological Survey, Department of the Interior —
This map layer portrays our current understanding of the distributions of United States and Canadian bat species during the past 100-150 years. The specimen and... -
Federal
American Woodcock Singing-ground Survey
US Fish and Wildlife Service, Department of the Interior —
The American Woodcock Singing-Ground Survey, conducted by the U.S. Fish and Wildlife Service, exploits the conspicuous courtship display of the male woodcock. The... -
Federal
Final Critical Habitat for Atlantic Salmon (Salmo salar)
US Fish and Wildlife Service, Department of the Interior —
These data identify, in general, the areas of final critical habitat for Atlantic Salmon (Salmo salar). -
Federal
Airborne Gravity: NGS' Gravity Data for EN07 (2012-2013)
National Oceanic and Atmospheric Administration, Department of Commerce —
Airborne gravity data for Maine and Canada collected in 2012 and 2013 over 2 surveys. This data set is part of the Gravity for the Re-definition of the American... -
Federal
Appalachian Play Fairway Analysis Seismic Hazards Supporting Data
Department of Energy —
This archived dataset contains magnetic and gravity imaging data for the Appalacian Basin, compiled using Poisson Wavelet Multiscale Edge Detection, referred to as...
6 datasets found