District of Arizona was a subordinate district of the Department of New Mexico territory created on August 30, 1862 and transferred to the Department of the Pacific in March 1865. Robert Nicholson Scott, Henry Martyn Lazelle, George Breckenridge Davis, Official records of the Union and Confederate armies, The War of the Rebellion, Series I, Vol. L, Government Printing Office, 1897

District of Arizona (Dept. of New Mexico) commanders Headquarters at Franklin, Texas, then Mesilla Post until 1864. James H. Carleton – August 30, 1862 – September 5, 1862 Joseph R. West – September 5, 1862 – January 29, 1864 George W. Bowie – January 29, 1864 – November 1864 Joseph R. Smith – November 1864 – December 8, 1864

District of Arizona (Dept. of the Pacific) commanders Headquarters Prescott, Arizona John S. Mason – March 7, 1865 – July 27, 1865 David J. Eicher, Civil War High Commands, Stanford University Press, 2001, p. 820

On July 27, 1865 the Military Division of the Pacific was created under Major General Henry W. Halleck, replacing the Department of the Pacific, consisting of the Department of the Columbia and the expanded Department of California, that absorbed the District of Southern California and that consisted of the States of California and Nevada and the District of New Mexico in the Territory of New Mexico and District of Arizona in the Territory of Arizona. Official Records of the War of the Rebellion, Series I – Volume XLVI, General Orders No. 118. June 27, 1865, Military Division of the United States After The Civil War

Arizona remained a district until it became the Department of Arizona under the Military Division of the Pacific on April 15, 1870. Colonel George Stoneman transitioned from district to department commander, serving until June 4, 1871. The new department consisted of Arizona Territory and California south of a line from the northwest corner of Arizona to Point Conception so as to include most of Southern California.National Archives, Guide to Federal Records, Records of United States Army Continental Commands, 1821–1920

District of Arizona (Military Division of the Pacific) commanders Major John S. Mason – March 7, 1865 – April 30, 1866 Lt. Col. Henry D. Wallen – June 10 – August 11, 1866 Henry D. Wallen, Cullums Register Vol. II, p.55 1050, from penelope.uchicago.edu accessed July 23, 2018. Colonel Charles S. Lovell – August 11, 1866 – October 12, 1867Charles S. Lovell from fortwiki.com, accessed July 23, 2018. Colonel Thomas L. Crittenden – October 12, 1867 – August 29, 1868 Colonel Thomas C. Devin – August 29, 1868 – August 16, 1869 Colonel George Stoneman – August 16, 1869 – May 3, 1870

Posts Fort Buchanan – 1856–1861, 1862 Fort Breckenridge – 1857–1861, Fort Stanford 1862, Camp Wright 1865, Camp Grant – 1865–1873 Fort Mojave – 1858–1861, 1863–1890 Fort Tucson – 1860–1862 Tucson Armory – 1862–1864 Fort Barrett – 1862 Fort Bowie – 1862–1894 Mission Camp, near Nogales – 1862 Fort Tubac – 1862–1865, 1866–1868 Camp La Paz – September 1863 – 1864, sub post of Fort Mohave between Olive City and La Paz, Arizona. Camp at Bear Spring – 1863–1864 Fort Cerro – 1863 – ? Fort Canby – 1863–1864 Camp Clark – 1863–1864, renamed Fort Whipple – 1864–1869 Camp Pomeroy – 1863 Camp on the Colorado River, Camp Colorado – 1864–1871, near Parker Fort Verde – 1864–1866 Yuma Depot – 1864–1891 Post at Calabasas 1865, Fort Mason – 1865–1866, Camp McKee 1866 in Rio Rico, Arizona Camp Cameron – 1866–1867, in Madera Canyon Camp Alexander – 1867, 12 miles up river from Fort Mohave at a crossing on the Colorado River. Camp Willow Grove – 1867–1869, south of Valentine Camp Devin, renamed Camp Toll Gate until 1870, Camp Hualpai – 1869–1873, near Paulden

See also California in the American Civil War New Mexico Territory in the American Civil War Arizona Territory in the American Civil War

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