Along the busy approaches to the Soo Locks, a complex system of range lights once guided vessels through one of the most critical shipping corridors in North America. The Vidal Shoals Range Lights directly supported the growth of the St. Marys River shipping channel and the expanding importance of the canal system connecting Lake Superior to the lower Great Lakes. A Canal of National Importance Workers completed the Soo Locks in 1855, transforming transportation on the Great Lakes. By allowing ships to bypass the rapids at Sault Ste. Marie, the locks created a vital link for iron ore, timber, and… Read More »








