Map of the states of Michigan and Wisconsin: embracing a great part of Iowa and Illinois, and the whole mineral region with a chart of the lakes. exhibiting the sections, the geological formations, and the general topography; compiled from the state topographical department, from the latest United States surveys, and from other authentic sources, by John Farmer of Detroit.; Alternate title: Geological map of the mineral region: from the official plate of the United States surveys and chart of Lake Superior reduced from the survey and chart of Lieut. Bayfield of the R.N.

Shows the Lake Superior region. Relief shown by hachures; depths shown by soundings. "Engraved by J. Farmer." "Entered according to act of Congress...the 8th day of July 1847 by John Farmer." "Entered according to act of Congress...on the 6th day of March A.D. 1849 by John Farmer." Insets: Map of the surveyed part of Min[n]esota -- Map of Beaver Islands -- Plat of Isle Royale. 1 map: hand col.; 50 x 101 cm This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.
Clark Library Map Collections
Lake Superior, Michigan, United States and Michigan, United States
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