Favorite this☆ Lock pit, St. Mary's Falls Canal, Sault Ste. Marie Description: Two images of the St. Mary's Falls Canal construction site, both photos show earth moving machinery and train on track, with horses and workmen in pit. Details Resource ID: DPA0762 Subject: Locks (Hydraulic engineering)--Michigan--Sault Sainte Marie Locks (Hydraulic engineering)--Design and construction Earthmoving machinery--Michigan--Sault Sainte Marie Railroad tracks--Michigan--Sault Sainte Marie Soo Locks (Mich.) Albumen prints Photographic prints Date Issued: Unknown year Format: 2 photographic prints mounted on mat board ; 9.5 x 7.75 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.