James B. Colgate was a 308' whaleback steamer that was built in Superior, Wisconsin in 1892. The ship was lost in the Black Friday storm in 1916. The captain was the only one to survive the sinking. Currently the wreck lies upside down with wreckage to the north of the stern. The wreck lies SW of Erieau, Ontario.
Currents are sometimes strong both on the surface and at depth.
Lighthouse Wreck was a wooden package freighter. The wreck is located 17.7 miles off Port Dover. Marshall F. Butters was a 164' lumber hooker. She was built in Milwaukee, Wisconsin in 1882. The bow and stern of the wreck are not intact but the boiler, windlass, and engine are still on the wreck.