File:Soo Locks 19th Century.jpg

Summary
The first Soo Locks led the way for a more extensive canal and lock system. Today, the vast waterway of the Soo Locks at Sault Sainte Marie, Michigan, United States of America (on the right) and Sault Sainte Marie, Ontario, Canada (on the left.) This system of locks enables ships to safely travel between Lake Huron and Lake Superior.

U.S. Army Corps of Engineers Digital Visual Library-taken in the 1850's, the canal was completed in 1855.

This image or file is a work of a U.S. Army Corps of Engineers soldier or employee, taken or made during the course of the person's official duties. As a work of the U.S. federal government, the image is in the public domain.