|The John Spence and barge McAsphalt 401 pass Alexandria Bay, New York on the St. Lawrence River on June 1, 2006. The John Spence is 171 feet long and was built in 1972. It is owned by McKeil Work Boats Ltd of Hamilton, Ontario.
1972-1981 Mary B. VI
1981-1982 Mary B.
1982-1983 Mary B. VI
1983-1994 Artic Tuktu
The tanker barge McAsphalt 401 was built in 1966 and is 300 feet long and is owned by McAsphalt Marine Transportation Ltd of Scarborought, Ontario.
1966-1973 Pittson 200
1973-1987 Pointe Levy
All data is from the excellent Know Your Ships, 2006