The General Henry Knox Canal system (named after Henry Knox, who purchased the locks in 1794) was initially built by Charles Barrett in 1793 to connect the tidewaters of the St. George River with St. George Lake in Liberty, facilitating the shipment of lumber and lime. But the locks fell into decay following Knox's death in 1806. In 1848, the canal was reopened for navigation by the Georges Canal Company at a cost of $80,000. It again fell into disuse following 1877, rendered obsolete by the railroad. The canal banks and one lock may still be seen in Warren, however, uncovered as part of a river beautification project in 1966.