He was 26 years old when he was enrolled (2).
He was enrolled and mustered into service on 16 December 1861 (1, 2). He was enrolled at Philadelphia, Pennsylvania (2). He was mustered in as a private, at Philadelphia, Pennsylvania (2). He served as a private in company B (1).
He deserted on 19 August 1862, at Alexandria, Virginia (1, 2).
1 Bates, Samuel Penniman. History of Pennsylvania volunteers, 1861-5. Harrisburg: B. Singerly, state printer, 1869-71. 5 volumes. 'Ninety-first regiment', volume 3, pages 186-233. (In the roster) (John Bales)
2 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 27 June 2004 (John Bales)
[I did not find an entry for him in the Ancestry index to the pension index by name cards (searched November 2006)]
[I did not find an entry for him in the Ancestry index to the 1890 veterans' census (searched November 2006)]