Detached from: A new universal atlas / S.A. Mitchell, Philadelphia , 1847. No. 30. Prime meridian: Washington. Hand coloured. Decorative border. Includes "Profile of the Wabash and Erie Canal" and "Steam boat routes".
Imprint: Philadelphia : S. Augustus Mitchell, [1846]
Dimensions: 32 x 26 cm; Scale: 1:1,400,000
Coordinates: W0880500 W0844700 N0414500 N0374600