“Mass Graves Remain in “The Devil’s Punchbowl” : CIVIL WAR SLAVE CONCENTRATION CAMP! October 23, 2015October 23, 2015 by LEON KWASI CHRONICLES, posted in african-american, article, history, News, political, racism During the civil war authorities in Natchez, Mississippi forced tens of thousands of freed slaves into concentration camps, built in what’s known as the “The Devil’s Punchbowl.”