Home State: Ohio
Command Billet: Commanding Regiment
Branch of Service: Infantry
Unit: 66th Ohio Infantry
see his Battle Report
He helped organize and mustered into service as Captain of, Company I, 4th Ohio Infantry at Camp Jackson, Columbus, Ohio. The 4th was mustered into 3 months Federal service in May, but soon agreed to 3-years' service. At the organization of the new 66th Ohio Infantry (17 December 1861), Powell was appointed Major. In May 1862 he was promoted to Lieutenant Colonel.
On the Campaign
He led his Regiment, part of Gen Greene's XII Corps Division, in their assault to the Dunker Church on 17 September. He reported that he "was wounded by a musket-shot along the cheek and neck, which disabled me from remaining on the field the rest of the day."
The rest of the War
In March 1865 he was appointed Colonel of the 193rd Ohio Infantry.
After the War
He was elected to the Ohio State House from Delaware County in 1871.
References & notes
Source: History of Delaware and Ohio, Chapter IX, Chicago: O. L.. Baskin's Co., Historical Publishers, 1880; posted online by Allen L. Potts at Heritage Pursuits.