Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
Interior of lock looking upstream

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
Diagram of the lock
The present lock is built within the walls of the original ship lock

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
View west from the upper gates of the current lock to the upper gates of the original lock.
The international bridge, the emergency dam (orange on right) and the swing railroad bridge (black on right) are visible.

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
The interior of the lock looking east

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
The lower inlet channel looking east from the lower gates

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
The lock full looking east

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
View east from the upper gates of the original lock to the current lock

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
Marker giving the reason to build the original lock

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
Lock history marker

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
The emergency swing dam
This is the first such dam built, the only one still in service, and the only one ever used

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
View of the gates on the swing dam

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
Explanation of the swing dam

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
Sign at the swing dam

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
Swing railroad bridge above the lock

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
Photo of the original lock dewatered

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
The administration building & museum

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
A butterfly valve for the lock

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
Explanation of the butterfly valve

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
Above 2 photos are of lock maintenance buildings

Canadian Soo Lock
Sault Ste. Marie, ON
7/25/11
Lock operators building