First Welland Canal reason for the error is not known. On July 4, 1818, Merritt organized a meeting in St. Catharines. The outcome was a petition sent to Upper Canada Legislature to provide for construction of a canal between the Twelve Mile Creek and Welland River. Unlike Merritt's original water-canal plan, the petition included plans for allowing boats to cross the Niagara Escarpment. In 1823, Hiram Tibbetts, an engineer, was employed to make a formal survey for the route. He suggested to dig a channel below the surface level of Welland River between present-day Port Robinson and Allanburg, and then follow the Twelve
First Welland Canal south of it were easy to dig in, but work was accelerated during mild weather of late 1832 and early 1833. On June 1, 1833, the schooner "Matilda", headed for Cleveland from Oakville, became the first ship to travel through the new channel. Overall, the combined Welland and Feeder Canals stretched between the two lakes, with 40 wooden locks. The minimum lock size was 33.5 m by 6.7 m (110 ft by 22 ft), with a minimum canal depth of 2.4 m (8 ft). Today, very little of the First Canal is evident. Much of the Feeder Canal, however is