Pennsylvania. Geography, description and. travel. Maps,
98.6.R2.1792 Adlum, John, and John Wallis, of Philadelphia. A map exhibiting a general view of the roads and inland navigation of Pennsylvania, and part of the adjacent states. [Philadelphia? 1792?] Size, 3174 35% inches. Scale (com- puted), 10 miles to 1 inch. In one corner are plans and perspective of a canal lock.
[This work is kept on the Special Libraries Floor.]
 
This card was printed at the Boston Public Library, October 30, 1908. G8481A — Pennsylvania. Geog. Maps. — Pennsylvania. R.Rs. — Jt. auth.