Spatial Coverage: Houghton County (Mich.) / Year: 1870 - Yale University Library GeoBlacklight Search Results

Start Over Spatial Coverage Houghton County (Mich.) Year 1870

1. Map of property of the Globe Copper Company and mines in the Portage Lake District

1870. 2011-02-08T18:57:34Z. 2019-03-15T17:31:07Z. J.O. Seymour & Co., cartographer. J.O. Seymour & Co. English. Public. Houghton County (Mich.), Michigan, and Houghton County.

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1. Map of property of the Globe Copper Company and mines in the Portage Lake District

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