August 1864, a battalion of four companies of Colonel Charles Dimon’s 1st U. S. Volunteers Infantry Regiment, was detached at Chicago and sent to the Minnesota district. For a year, Company A served at Fort Abercrombie, F at Fort Wadsworth, and Companies G and I at Fort Ridgely performing messenger duties between forts and garrison duties. Lt. Col. William Tamblyn commanding.

The Galvanized Yankees, Dee Brown, Univ. of Nevada Press, 1963, p. 191