Statistics for occurrence #1 of “Columbia, South Carolina” in chapter 1.2 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 7: Prisons and Hospitals.:

...incipal Confederate prisons besides those already mentioned were Camp Sumter at Anderson, Georgia; Camp Lawton, at Millen, Georgia, established late in 1864, to relieve Andersonville; Camp Asylum, at Columbia, South Carolina ; Macon, Georgia; Florence, South Carolina; and Charleston, South Carolina. Large numbers of prisoners were also confined for short periods at Raleigh, Charlotte, and Savannah. In addition, fo...
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