Home State: Pennsylvania
Command Billet: Commanding Regiment
Branch of Service: Infantry
Unit: 88th Pennsylvania Infantry
see his Battle Report
Before Antietam
He was mustered in as 1st Lieutenant, Company C (recruited at Fredonia, Berks County), and was soon elected Adjutant of the (3-month) 7th Pennsylvania Regiment, and served with them April - July 1861. He was mustered as Captain, Company B, in the 88th Pennsylvania in August 1861.
On the Campaign
"During the engagement [on the 17th] Major [LCol?] George W. Gile was badly wounded in the leg, and the command devolved upon Captain H. R. Myers."
(from Myers' report)
References & notes
Source: Bates, Samuel P., History of the Pennsylvania Volunteers, 1861-65, Harrisburg, 1868-1871.; Extracted online at the Pennsylvania in the Civil War site.