Since he first published this book in 1960, Mr. Shank has become one of the leading authorities on historic canals in the Northeastern United States. The author has included a statewide canal map, 125 historic photos, drawings by the late Philip Hoffman, a four-color cover and tables of lock and mileage data. As founder of the Pennsylvania Canal Society and past president of the American Canal Society, the author offers this definitive work on Pennsylvania canals with the help of canal buffs throughout the Keystone state.