Iron ores of Minnesota, their geology, discovery, development, qualities and origin, and comparison with those of other iron districts, Bulletin 6, Plate 2Full Details
Iron ores of Minnesota, their geology, discovery, development, qualities and origin, and comparison with those of other iron districts, Bulletin 6, Plate 2
Description:
Map showing iron mines in the Vermilion range, scale 1 inch = about 0.12 miles.
Creator:
Winchell, Horace V. (Horace Vaughn), 1865-1923 and Winchell, N. H. (Newton Horace), 1839-1914