May 30, 1863, to March 16, 1864: Organized at large, for special service in Humboldt County. Attached to Humboldt District, Dept. of the Pacific.

June, 1863: Ordered to Fort Humboldt
February 29, 1864: Stationed at Fort Humboldt, Fort Bager and Camps Curtis and Iaquia. Skirmish, Redwood Creek.
May 1: Redwood Mountains March 1. Kneeland’s Prairie.
June, 1865: Operations in Humboldt District.

June, 1865: Ordered to Fort Gaston, duty there and at Camps Anderson and Curtis.
June 6, 1863: Skirmish at Oak Camp.
November 12: Thomas’ Ranch.
November 13: Trinity River.
November 17: Willow Creek.
December 25-26: Near Fort Gaston.
May 6, 1864: Skirmish near Boynton’s Prairie.
August 8-12: Scout from Camp Anderson to Bald Mountain.

June, 1863: Ordered to Fort Gaston.
June, 1865: Duty there operating against Indians in Humboldt District.
July 9 and 11, 1863: Redwood Creek.
November 11: Thomas’ Ranch.
November 13: Trinity River.
December 25-26: Near Fort Gaston.
May 27, 1864: Thomas House, on Trinity River.
September 1-December 3, 1864: Operations in Trinity Valley.

June, 1865: Duty at Fort Gaston.

June, 1865: Duty at Camp Grant.
May 23, 1864: Skirmish at Grouse Creek.
May 26: Matole.
May 28: Big Flat.
September 1-29: Expedition to North Fork Eel River.

June 14, 1865: Battalion mustered out.