Browse Items (10 total) Browse All Browse by Tag Search Items Browse Map Tags: Soo Locks Sort by: Title Creator Date Added Colton's Map of Lake Superior and the Upper Peninsula of Michigan G.W. & P. B. Colton 1868 Improving St. Marys River, Mich. U.S. Army Corp of Engineers 13 February 1909 Davis Lock Postcard A. E. Young c.1930 Image of the Locks W. J. Bell c.1890 Diagram showing graphically Total Vessels and Total Freight passing through St. Marys River U.S. Engineer Office, Detroit Michigan 1911 Letter from the Secretary of War Secretary of War 1911 The "Soo": The New Metropolis, Sault Ste. Marie Michigan Chase Osborn c.1887 Lower Approach to the Locks Looking West U.S. Army Corp of Engineers 11 October 1915 Removing Ice from Poe Lock U.S. Army Corps of Engineers 11 April 1907 The Sault Ste. Marie Rapids (Swift waters of the St. Mary's River) from which the cities of Sault Ste. Marie, Michigan and Sault Ste. Marie, Ontario, derived their names A. E. Young c.1930s Output Formats atom, dcmes-xml, json, omeka-xml, rss2