1913: The wooden passenger and freight carrier MANITOU sustained fire damage at Owen Sound and sank at the dock. The vessel was refloated, repaired and operated to the end of the 1939 season.
1939: February 2, 1939 – CHIEF WAWATAM went to the shipyard to have a new forward shaft and propeller placed.
1942: SAMUEL MATHER, a.) PILOT KNOB (Hull #522) had her keel laid February 2, 1942, at Ashtabula, Ohio, by Great Lakes Engineering Works.
1972: IRISH SPRUCE first appeared in the Seaway in 1960. The ship was enroute from Callao, Peru, to New Orleans with zinc and copper concentrates as well as coffee, when it ran aground on Quinta Suero Bank (14,25 N / 81.00 W) off the coast of Nicaragua. The ship had its back broken and became a total loss.
1981: EDOUARD SIMARD and JAMES TRANSPORT collided in the St. Lawrence River east of Port Neuf, Quebec. Both received bow damage.
1981: ARTHUR SIMARD received extensive bottom damage after going aground in the St. Lawrence. It was enroute from Montreal to Sept-Iles, but returned to Trois Rivieres to unload and then to Montreal for repairs.
Data from: Skip Gillham, Max Hanley, Joe Barr, Father Dowling Collection, Ahoy & Farewell II and the Great Lakes Ships We Remember series.