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Start Over You searched for: Date 1863-12-18 Remove constraint Date: 1863-12-18 Date Range (beta) 1863 Remove constraint Date Range (beta): 1863 Subject (Geographic) Confederate States of America--Defenses Remove constraint Subject (Geographic): Confederate States of America--Defenses Subject (Geographic) Confederate States of America. Engineer Bureau Remove constraint Subject (Geographic): Confederate States of America. Engineer Bureau Subject (Geographic) United States--History--Civil War, 1861-1865 Remove constraint Subject (Geographic): United States--History--Civil War, 1861-1865 Subject (Geographic) United States--History--Civil War, 1861-1865--African Americans Remove constraint Subject (Geographic): United States--History--Civil War, 1861-1865--African Americans Subject (Topic) Slave labor Remove constraint Subject (Topic): Slave labor

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