Favorite this☆ Lock pit, St. Mary's Falls Canal, Sault Ste. Marie Description: Construction site of St. Mary's Falls Canal lock pit showing railroad tracks and workmen. Scattering of snow. Printed on front of photo: "No. 47, November 29, 1890." Details Resource ID: DPA0805 Subject: Soo Locks (Mich.) Locks (Hydraulic engineering)--Michigan--Sault Sainte Marie Locks (Hydraulic engineering)---Design and construction Albumen prints Photographic prints Date Issued: 1890-11-29 Format: 1 photographic print mounted on mat board ; image 7.25 x 9 in. Member of: Burton Historical Collection Filing Location: M/Localities-Sault Ste. Marie Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.