Shows stage roads. Relief shown by hachures. Prime meridian: Washington. "Entered according to Act of Congress in the year 1834 by S. Augustus Mitchell ..." "Sold by Thomas, Cowperthwait & Co. ..." Inset: The North west part of Michigan. Includes tables of steam boat routes.: Original version published Philadelphia : S. Augustus Mitchell, 1839.; Scale approximately 1:1,640,000