Nashville District tames Cumberland River with the 'Old Locks'
This is a coffer dam looking downstream on the Cumberland River in Ashland City, Tenn., Aug. 31, 1891. The U.S. Army Corps of Engineers Nashville District built Lock and Dam 2 at this location to establish a navigation channel. The structure was later replaced by today's modern dams.

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Photo by: USACE |  VIRIN: 910831-A-CE999-1010.JPG