1. Mason, Mich
1911. 2011-12-12T21:29:35Z. 2022-03-29T20:39:45Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan.
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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.
1911. 2011-02-16T15:21:16Z. 2019-03-04T18:52:30Z. Rand McNally and Company. Rand McNally & Co. English. Public. Michigan.
1911. 2011-02-16T14:46:54Z. 2015-04-16T18:00:46Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan.
