A history of travel in America : showing the development of travel and transportation from the crude methods of the canoe and the dog-sled to the highly organized railway systems of the present, together with a narrative of the human experiences and changing social conditions that accompanied this economic conquest of the continent (1915)
153.- -Map of overland highways leading to Pittsburgh in 1812. The town could then be reached by one wagon road from the north, four from the east, two from the south and one from the west.
Transportation -- United States -- History · Frontier and pioneer life -- United States
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
