Upper Midwest Environmental Sciences Center
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Grayscale Scanned 100K USGS Quadrangles - created by - |
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U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.umesc.usgs.gov/data_library/maps_quads_figs/bw_scanned_quads.html
Page Contact Information: Contacting the Upper Midwest Environmental Sciences Center
Page Last Modified:
October 2, 2007
