Miter-gate sections inside the new Chickamauga lock chamber, photographed 20 February 2026 before contract termination.
Noe Gonzalez / U.S. Army Corps of Engineers, Nashville District, via DVIDS. Chickamauga lock chamber, 20 February 2026; historical construction view. Public domain in the United States; source rendition unchanged.
Author as credited: Noe Gonzalez, U.S. Army Corps of Engineers, Nashville District
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