Fort Mohave, 1858
Fort Mohave was established in May, 1859 under the name of Camp Colorado by an expedition up to the Colorado River as directed by Special Orders No. 18, Department of California, November 26, 1858. The first garrison consisted of Companies F and I, 6th Infantry and a detachment a detachment of the 3rd artillery. The post was renamed Fort Mohave by the garrison commander. The post was abandoned May 28, 1861, by Company I, 4th Infantry, and Company I, 6th Infantry, as directed by the Special Orders No. 68, Department of the Pacific, April 29, 1861. The post was reestablished by Companies B and I, 4th, California Volunteers, as directed by Special Orders No. 89, Department of the Pacific, April 16, 1863. General Orders No. 13, Department of the Arizona, May 23, 1890 directed that Fort Mohave be abandoned by Company A, 9th Infantry.
(RG 98 Records of United States Army Command)