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You searched for: Creator Hobs, Edwin Remove constraint Creator: Hobs, Edwin Dc Format S TIFF Remove constraint Dc Format S: TIFF Dct Is Part Of Sm John R. Borchert Map Library Remove constraint Dct Is Part Of Sm: John R. Borchert Map Library Year 1907 Remove constraint Year: 1907
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Map showing iron ranges and ore carrying railroads of Minnesota

Map showing iron ranges and ore carrying railroads of Minnesota

1907. Hobs, Edwin and Oliver Iron Mining Company (Duluth, Minn.). Mining Engineering Department. Cartographic Details: Scale approximately 1:350,000 Inset shows generalized sections of Vermilion, Mesabi, Gogebic, Menominee, and Marquette Ranges...