This notebook contains copies of letters and telegrams sent from the Provost Marshal's Office, 6th District of Missouri, in Lexington Missouri, between May 21, 1864 and November 3, 1864. The letters, written by A. Comingo, Provost Marshal of the 6th District of Missouri, address topics such as guerrilla activity in Chariton County, Missouri and reopening the Provost Marshal's office in Lexington following "the rebel invasion." Correspondents include Missouri Provost Marshal General E.B. Alexander, U.S. Provost Marshal General James B. Fry, and Maj. Gen. W.S. Rosecrans.