Why the Soo Locks are so important to our U.S. economy
Soo Locks design, channel deepening plans underway - Washington Times
The Soo Locks
The Soo Locks -MI's Best Freighter Watching | Upper Peninsula
Soo Locks at Sault Ste Marie Michigan
Report: U.S., Michigan face dire consequences if Soo Locks fail
OE 324 | Soo Locks Phase Two with Kokosing Alberici and Operating Engineers 324
9 Things You May Not Know About the Soo Locks | Michigan
National Historic Preservation Act Turns 50 (U.S. National Park Service)
Michigan legislative leadership pledge up to $50 million in funding for Soo Locks upgrade
Soo Locks open early for 2021 shipping season > Detroit District > News Releases
New_Soo-Lock
Soo Locks Closed for Maintenance Until Spring - Fox21Online
Detailed, simplified map of the Soo Locks and surrounding area – Florida's Big Dig
Soo Locks - Wikipedia
After 60 years of operating in a joint venture with American-Canadian Lock Tours, Famous Soo Locks Boat Tours is now operating independently. | Famous Soo Locks Boat Tours