Chickamauga Lock Replacement Project reaches monolithic milestone
Shimmick Chief Executive Officer and President Steve Richards gives opening comments before giving the signal to remove the last concrete form during a topping-off ceremony marking the completion of the first of 36 monoliths of the lock chamber for the Chickamauga Lock Replacement Project on the Tennessee River in Chattanooga, Tennessee. (USACE Photo by Lee Roberts)

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Photo by: Lee Roberts |  VIRIN: 230522-A-EO110-1003.JPG