Engineers building strong legacy as pioneers of progress
The U.S. Army Corps of Engineers Nashville District places concrete for the first monolith on the Chickamauga Lock Replacement Project Oct. 17, 2019 on the Tennessee River in Chattanooga, Tennessee. At the Chickamauga Lock Replacement Project, aa Tennessee Valley Authority project, the Nashville District is currently executing the lock chamber contract for the new 110-foot by 600-foot navigation lock, which includes 285,000 cubic yards of reinforced concrete. A conveyer system is placing concrete inside the coffer dam from the batch plant, a distance of about 900 feet in about a minute and a half. (USACE Photo by Lee Roberts)

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Photo by: Lee Roberts |  VIRIN: 191017-A-EO110-1033.JPG