01167nam a2200241Ia 4500 CTU_221876 210402s9999 xx 000 0 und d 386.40973 S534 Shaw, Ronald E. Canals for a nation : The canal era in the United States, 1790-1860 Ronald E. Shaw Lexington University Press of Kentucky 1990 All but forgotten except as a part of nostalgic lore, American canals during the first half of the nineteenth century provided a transportation network that was vital to the development of the new nation. They lowered transportation costs, carried a vast grain trade from western farms to eastern ports, delivered Pennsylvania coal to New York, and carried thousands of passengers at what seemed effortless speed. Along their courses sprang up new towns and cities and with them new economic growth. Canals,Các kênh rạch History,Lịch sử United States,Hoa Kỳ Qhieu Qhieu Trung tâm Học liệu Trường Đại học Cần Thơ