258 ft (78.6 m)
Upper Gap, Amherst Island, Ontario, Canada
~ GPS Shipwreck Location ~
Latitude: 44° 8' 16.0008" N Longitude: -76° 49' 15.9996" W
Originally named as the Quebec by Carrier, Laine and Company of Quebec. In 1929 she was renamed the Londonderry and rebuilt as a wrecking dredge. Scuttled in 1969 in the Upper Gap.