Rome, New York Canal. On July 4, 1817 construction on the canal began in Rome. The Erie Canal reaches a summit in Rome, attaining an elevation of 420 feet. The first phase was completed in 1825, connecting the Hudson River by waterway to the Great Lakes. It resulted in an increase in trade and traffic between communities around the Great Lakes and New York City, stimulating development along the route. Jesse Williams founded the first cheese factory in the United States at Rome in 1851. Williams also developed the process used today for large-scale cheese manufacturing. There were numerous dairy farms in the
Great Lakes shipping from January to March. Some icebreakers ply the lakes, keeping the shipping lanes open through other periods of ice on the lakes. The Great Lakes are also connected by the Chicago Sanitary and Ship Canal to the Gulf of Mexico by way of the Illinois River (from the Chicago River) and the Mississippi River. An alternate track is via the Illinois River (from Chicago), to the Mississippi, up the Ohio, and then through the Tennessee–Tombigbee Waterway (a combination of a series of rivers and lakes and canals), to Mobile Bay and the Gulf of Mexico. Commercial tug-and-barge traffic on