If This Breaks, the U.S. Could Lose $1 Trillion (The Soo Locks)
Key Topics:
Soo Locks, Sault Ste. Marie, Michigan
Why there were rapids in the Soo (geology)
Brief history of the Soo Locks area
History of the Soo Locks
How the Locks work
Whatβs next for the Soo Locks?
Why the locks are so critical to U.S. infrastructure
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