1872. The Minnesota Geological Survey collection consists of more than 600 images of maps published separately or as part of reports from 1872 until the ...
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1872. Winchell, N. H. (Newton Horace), 1839-1914. 22 x 17 inches General Minnesota Maps. [s.n.]; United States.
1872. Winchell, N. H. (Newton Horace), 1839-1914. Geologic map of Minnesota, scale 1 inch = 20 miles. Minnesota Geological Survey.
1872. Rice, G. Jay. Finished railroads and railroads under construction shown in red.; "Published for the State Railroad Commissioner."; "Entered according to act of C... Lithographed and published by G.J. Rice (St. Paul [Minn).