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Federal
2012 and 2013 Air Quality Fused Surface for the Conterminous U.S. Map Service
U.S. Environmental Protection Agency —
This web service contains a polygon layer that depicts fused air quality predictions for 2012, 2013, and 2014 for census tracts in the conterminous United States.... -
Federal
Bathymetry of Lake Michigan
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetry of Lake Michigan has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it more...