After reaching Fort Rice in central Dakota Territory, from September 10–30, 1864 four companies were sent 200 miles west to help rescue Fisk's immigrant train at Fort Dilts approximately 13 miles east of the Montana Territory border. At this time, the regiment was transferred to the 23rd Corps, then in the Department of the Cumberland at Nashville, Tennessee.
After arriving at Fort Rice in central Dakota Territory from September 10th to 30th, 1864, four companies were dispatched 200 miles west to aid in rescuing Fisk's immigrant train at Fort Dilts, located approximately 13 miles east of the Montana Territory border. Subsequently, the regiment was transferred to the 23rd Corps stationed in the Department of the Cumberland at Nashville, Tennessee.