
An active boat-building industry, sprung up around Pittsburgh and points down-river, provided a principle means of transportation for riverine settlers and traders. Others included keelboats, capable of being poled on return trips up-river, and adaptations of Indians’ canoes. The Forman pioneer party included a 70 feet long flatboat and a keel boat. See end note for the book’s end note for the book’s Introduction, page xix, par. 3, line 1.