I found an Aaron G. Chambers listed with Company H, First Iowa Volunteer
Cavalry. He was born in North Carolina. His residence at the time he enlisted
was Albia, Monroe County, Iowa, and his age is listed as 35. He enlisted June
13, 1861, as Third Corporal, and mustered into service Aug. 3, 1861. He was
promoted to Second Corporal on Aug. 10, 1861, and was dicharged for disability
on Feb. 6, 1862, at Jefferson City, MO.
"Roster and Records of Iowa Troops in the Rebellion, Vols. 1-6."
Civil War and Iowa: Greyhounds and Hawkeyes.
CD-ROM. Creston, IA: O. J. Fargo, 2000.