A new map of Michigan with its canals, roads & distances
Washington prime meridian. "Entered according to Act of Congress, in the year 1850, by Thomas, Cowperthwait & Co., in the clerks Office of the District Court of the Eastern District of Pennsylvania." Includes list of steam boat routes with distances. 30. in upper right margin. Inset: Western part of michigan [ca. 1:3,000,000].
34 x 27 centimeters
Scale approximately 1:2,000,000
General Map Collection
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