Map of the Mesabi Range, Minnesota, showing the active mines and other holdings of the Great Northern Iron Ore Properties, and other miscellaneous mines and reserves
Below scale: St. Paul, Minnesota, January 1, 1923."."; North oriented to the right of vertical.; Includes index charts to mines of Great Northern and to mines of other companies. 40 x 194 centimeters, sheets each 43 x 97 centimeters Scale approximately 1:67,000 General Map Collection
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