Mitchell, S. Augustus (Samuel Augustus), 1792-1868.
Washington prime meridian. "Entered according to Act of Congress, in the year 1846, by H.N. Burroughs, in the Clerks Office of the Eastern District of Pennsylvania." Includes list of steam boat routes with distances. 29. in upper right margin. Inset: Western part of Michigan [ca. 1:3,000,000] 1 map: col.; 34 x 27 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.