Monolithic effort to construct lock chamber heats up
Shimmick construction workers prepare the riverbed inside a coffer dam July 21, 2020 in preparation to place more concrete for a monolith. The U.S. Army Corps of Engineers Nashville District is constructing a new navigation lock as part of the Chickamauga Lock Replacement Project at the Tennessee Valley Authority project on the Tennessee River in Chattanooga, Tennessee. (USACE Photo by Lee Roberts)

Download Image: Full Size (11.7 MB)
Photo by: Lee Roberts |  VIRIN: 200721-A-EO110-1005.JPG