 Most of the Arkansas cavalry units were surrendered by Brigadier General M. Jeff Thompson, Commander of the Army of the Northern Sub-District of Arkansas.General Thompson agreed to surrender his command at Chalk Bluff on May 11, 1865 and agreed to have his men assemble at Wittsburg and Jacksonport to lay down their arms and receive their paroles.The cavalry units formally surrendered and were paroled at either Wittsburg on May 25 or at Jacksonport on June 5.