The Department of Arizona was a military department of the United States Army that existed from 1870 to 1893. It was subordinate to the Military Division of the Pacific and comprised posts in Arizona and Southern California. It was the successor to the District of Arizona within the Department of California. It was headquartered at Drum Barracks in Wilmington, California.
Commanders
Colonel George Stoneman, May 3, 1870, to June 4, 1871
Lieutenant Colonel George Crook, June 4, 1871, to Mar. 22, 1875
Brigadier General Orlando B. Willcox, Mar. 5, 1878, to September 4, 1882
Brigadier General George Crook, September 4, 1882 to April 11, 1886
Brigadier General Nelson A. Miles, 1886-88
Brigadier General Alexander McDowell McCook, September 16, 1890 to July 6, 1893
Fort Breckenridge 1857–1861, Fort Stanford 1862, Camp Wright 1865, Camp Grant 1865-1873
Fort Mojave 1858–1861, 1863–1890
Fort Bowie, 1862–1894
Fort Cerro 1863 - ?
Camp on the Colorado River, Camp Colorado 1864 - 1871, near Parker
Yuma Depot 1864 - 1891
Camp Alexander (Arizona), 1867, near McConnico, between Fort Mohave and a stage station at Beale's Springs.
Camp Willow Grove, 1867 - 1869, south of Valentine
Camp Devin, renamed Camp Toll Gate until 1870, Camp Hualpai, 1869 - 1873, near Paulden
Department of Arizona Wikipedia (Text) CC BY-SA