11. Charts. St. Marys River, head of Hay Lake to White Fish Bay; with inset, Vicinity of Sault Ste. Marie, Mich, and Ontario, showing American and Canadian canals; St. Marys River chart 3. Scale 1:40,000. Bookmark Corporate/Agency Authors: Northern and Northwestern Lake Survey, War Department, and Engineer Department Publisher: Northern and Northwestern Lake Survey Date: Nov. 1929 SuDoc number: W 33.6/2:3/8