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Wallis, John, of Philadelphia, joint author.
Adlum, John, and John Wallis, of Philadel. 2806 eM 4 A map exhibiting a general view of the roads and inland navigation of Pennsylvania, and part of the adjacent states. [Philadelphia? 17927] 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.