Roy A. Jodrey was a bulk carrier owned by Algoma Central Railway. The ship was launched and entered service in 1965, one of four ships constructed for the company to access ports on the Great Lakes and Saint Lawrence Seaway too small for use by the larger lake freighters. On 20 November 1974, Roy A. Jodrey struck Pullman Shoal in the St. Lawrence River in Alexandria Bay, New York. The vessel made it to the United States Coast Guard Station at Wellesley Island and tied up. At 03:00, the bulk carrier sank in of water, with its entire crew reaching safety. No attempt to salvage the ship was made, but Algoma did try to salvage the vessel's cargo of iron ore, which led to the death of a diver. Roy A. Jodrey became a technical scuba diving site, whose difficulty has led to the deaths of a some of those who have attempted it. Description Roy A. Jodrey was a bulk carrier long overall with a beam of . The ship had a gross register tonnage (GRT) of 16,154 and a deadweight tonnage (DWT) of 22,750. Roy A. Jodrey had a hull depth of . The ship was designed to access ports on the Great Lakes and Saint Lawrence Seaway that the larger lake freighters could not. Roy A. Jodrey was powered by a diesel engine driving one shaft that gave the vessel a maximum speed of . The ship had a crew of 29. Construction and career The bulk carrier was ordered from Collingwood Shipyards Ltd. by Algoma Central Railway. The vessel was built at their yard in Collingwood, Ontario with the yard number 186. The ship was launched on 9 September 1965 and completed in November. Roy A. Jodrey was the first of four ships built to this design. The ship was registered in Collingwood and flagged for Canada. The main cargoes of Roy A. Jodrey were ore, coal and limestone, but was also used to transport road salt, bentonite, potash, bauxite and coke. Sinking On 20 November 1974, Roy A. Jodrey was transporting iron ore pellets from Sept-Îles, Quebec to Detroit, Michigan when the ship struck buoy no. 194 off Wellesley Island near Alexandria Bay, New York in the Saint Lawrence River. The buoy tore a hole in the ship's hull, which the crew attempted to patch. Roy A. Jodrey continued on to the United States Coast