For 10 points, name these structures prominent in the first half of the nineteenth century, which included the Erie and use locks to transport ships between waterways.
George Washington founded the Potomac Company to build these structures. DeWitt Clinton spearheaded the construction of one of these structures that opened in 1825. The success of that one led to a national boom in the construction of these structures, including one named the C & O. One of these structures linked (*) Albany to Buffalo by connecting the Hudson River with the Great Lakes. For 10 points, name these structures prominent in the first half of the nineteenth century, which included the Erie and use locks to transport ships between waterways.
George Washington founded the Potomac Company to build these structures.
canals