(The Columbus heavy water batteries featured 10-inch Columbiads and 11-inch howitzers and one gun, the "Lady Polk", was the largest in the Confederacy, a 128-pounder Whitworth rifle.)
(Columbus’ tunge batterier indeholdt 10 tommers Columbiader og 11 tommers haubitser foruden ”Lady Polk”, den største kanon i Syden, en riflet 128 punds Whitworth.