Relief shown by spot heights and hachures; depths shown by soundings. Shows mineral lands, mines, and furnaces. Appears in: Jackson, Charles T. Report of the geological and mineralogical survey of the mineral lands of the United States in the state of Michigan. Washington, 1849. between p. 624 and 625. 1 map: hand col.; 28 x 56 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.