Geologic Atlas of the United States

Texas A&M University Libraries

http://repository.tamu.edu/handle/1969.1/2490

View historial map overlays documenting U.S geology.

In this KML, you are able to view mapping overlays produced by the U.S. Geological Survey between 1894 and 1945. Each location provides overlays for several types of map ranging from topographical to economic. N.B. Some of the map overlays may take several minutes to load.

http://earth.google.com/gallery/images/small/geologic_atlas_us_sm.jpg

http://earth.google.com/gallery/images/large/geologic_atlas_us_lg.jpg

Open in Google Earth