over 300,000 soldiers passed through camp curtin, making it the largest army training camp during the civil war. harrisburg's location on major railroad lines running east and west, and north and south. this made it a very good location for moving men and supplies to the armies in the field. in addition to the regular army and pennsylvania regiments, troops from maryland, michigan, minnesota, new jersey, new york, ohio and wisconsin used camp curtin. the camp and surrounding area also saw service as a supply depot. there was a hospital as well as a confederate prisoner-of-war camp. at the end of the war, camp curtin was used as a mustering-out point for thousands of troops on their way home. it was officially closed on november 11, 1865.