History of the Hudson River hundred years, various groups had sought to have a canal built between the Great Lakes and the Hudson River. This would link the frontier region of the United States to the Port of New York, a significant seaport during that time period as it is today. Construction of the canal began in 1817 and finished in 1825. Originally called "Clinton's Ditch", after NY Governor DeWitt Clinton, the canal proved to be a success, returning revenues of over $121 million after an initial construction cost of only $7 million. After the canal was built, freight could travel from many frontier cities,
Cumberland and Oxford Canal Cumberland and Oxford Canal The Cumberland and Oxford Canal was opened in 1832 to connect the largest lakes of southern Maine with the seaport of Portland, Maine. The canal followed the Presumpscot River from Sebago Lake through the towns of Standish, Windham, Gorham, and Westbrook. The Canal diverged from the river at Westbrook to reach the navigable Fore River estuary and Portland Harbor. The canal required 27 locks to reach Sebago Lake at an elevation of above sea level. One additional lock was constructed in the Songo River to provide of additional elevation to reach Long Lake from Sebago Lake.