On July 18, 1864, Col. E.B. Alexander, Acting Assistant Provost Marshal General in St. Louis, writes to Capt. William Fowler, Provost Marshal for the 7th District of Missouri, in St. Joseph, Missouri. Alexander reports that he received instructions from the Provost Marshal General's Office that black soldiers should now receive the same pay bounties as whites, and therefore may be "accepted as substitutes for whites."