Home State: Wisconsin
Branch of Service: Infantry
Unit: 3rd Wisconsin Infantry
From Leroy, he enlisted in Company E, 3rd Wisconsin Infantry on 8 June 1861.
On the Campaign
He was wounded in action on 17 September 1862 at Antietam.
The rest of the War
He was discharged for disability on 23 December 1862.
References & notes
Basic information from Bryant1, which lists him as Jacob Kallhammer. The spelling above from the State Roster.