March, 1863, to July, 1864: Organized at large in California.
Attached to Dept. of the Pacific.

December, 1863: Presidio, San Francisco.
December 26, arrived January 12, 1864: Ordered to District of Humboldt.
March 6: Duty at Fort Gaston.
March 6, duty escorting trains to Arcate & Fort Humboldt to September 1, 1864: Ordered to Camp Curtis.
September 1, duty until November 12, 1864: Ordered to Fort Humboldt.
February, 1865: Ordered to Camp Wright.
February 25, 1865, duty until May, 1865: Ordered to Drum Barracks, District of Southern California.

January, 1865: On duty at the Presidio, San Francisco.
January 3, 1865: Ordered to San Juan, Monterey County, thence to Drum Barracks, District of Southern California.

August 10, 1864, duty until May, 1865: Organized at Santa Barbara and ordered to Drum Barracks, District of Southern California.

May, 1865: At Drum Barracks, District of Southern California.
May, 1865: Battalion assigned to duty in District of Arizona.
April, 1866: Operating against Indians in that District.

April 2, 1866: Mustered out.