1. 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. Maps University Of Michigan Public content 1852. Bayfield, Henry Wolsey, 1795-1885 and Farmer, John, 1798-1859. Shows the Lake Superior region. Relief shown by hachures; depths shown by soundings. "Engraved by J. Farmer." "Entered according to act of Congress...