Minnesota route, the shortest and best to the Idaho gold mines
(W 126°--W 86°/N 50°--N 38°). Relief shown by hachures and spot heights. "Entered according to act of Congress in the year 1864 by D.D. Merrill in the clerks office of the district court of the district of Minnesota."
42 x 106 centimeters
Scale approximately 1:1,540,000
General Map Collection
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