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

Start Over Spatial Coverage Houghton County (Mich.)

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.

2. Michigan, Calumet special map

1911. 2021-09-17T18:05:46Z. 2021-09-18T03:01:38Z. Marshall, R. B. (Robert Bradford), 1867-1949, cartographer. U.S. Geological Survey. English. cartographic image. Public. Calumet Region (Mich.), Keweenaw County (Mich.), Houghton County (Mich.), Michigan, Calumet Region., Houghton County., and Keweenaw County.