Organization commenced as 7th Ohio Cavalry October, 1861.
Consolidated with 6th Cavalry as a Battalion of four complete Companies
December 1, 1861. Duty at Camp Dennison, Ohio, till February, 1862. Ordered to
St. Louis, Mo. Battalion permanently detached from 6th Cavalry and designated
1st Independent Battalion Cavalry February, 1862. Ordered to Fort Leavenworth,
Kan., April 4, 1862. March to Fort Laramie April 26-May 30. Assigned to duty
along the North Platte and Sweetwater Rivers with Headquarters at Pacific
Springs, N. T., and the South Pass. Engaged in guarding Overland Mail routes
across the plains from Julesburg to Green River. Action at Upper Crossing,
Sweetwater, N. T., November 24, 1862. Action at Platte River, N. T., April 17,
1863. Cheyenne Fork July 19, 1863. Designation changed to 11th
Ohio Cavalry July, 1863 (which see).
SOURCE: Frederick H. Dyer, A Compendium of the War
of the Rebellion, Part 3, p. 1480
