Department of Arizona

Military department of the US Army

Not to be confused with Arizona Department.

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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. From 1870 to 1886, Fort Whipple, Arizona was the department's headquarters. Afterwards it was headquartered at Drum Barracks in Wilmington, California.

## Commanders

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* Colonel George Stoneman, May 3, 1870, to June 4, 1871
* Lieutenant Colonel George Crook, June 4, 1871, to Mar. 22, 1875
* Major General August Kautz, Mar. 22, 1875 - Mar. 5, 1878
* 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, April 11, 1886 - November 26, 1888
* Colonel Benjamin Grierson November 26, 1888 - September 16, 1890
* Brigadier General Alexander McDowell McCook, September 16, 1890 to July 6, 1893

## Posts

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* 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 - ?
* Fort Whipple, Arizona 1864-1913
* Camp on the Colorado River, Camp Colorado 1864 - 1871, near Parker
* Yuma Depot 1864 - 1891
* Camp Devin, renamed Camp Toll Gate until 1870, Camp Hualpai, 1869 - 1873, near Paulden

## References

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* "Records of United States Army Continental Commands, 1821-1920".

Formations of the Union army

Independent
departments|

* Department of the East: District of Central New York
* District of Massachusetts
* District of Western New York

* Department of the Pacific: District of Arizona
* District of Humboldt
* District of Oregon
* District of California
* District of Southern California
* District of Utah

* Department of the Potomac

* Department of the South: District of Florida
* District of Hilton Head
* District of North Carolina
* District of Savannah
* Northern District (Charleston)

* Department of Virginia and North Carolina: District of Eastern Virginia
* District of North Carolina

Middle Military
Division|

* Middle Department: Department of Rappahannock
* Department of Shenandoah
* Mountain Department
* District of Baltimore
* District of Eastern Shore

* Department of Pennsylvania: Department of the Monongahela
* Department of the Susquehanna

* Department of Washington: District of Alexandria
* District of Saint Mary's
* District of Washington
* District of Annapolis

* Department of West Virginia: District of Harper's Ferry
* Kanawha District

Military Division
of the
Mississippi|

* Cavalry Corps of the Military Division of the Mississippi

* Department of the Cumberland: District of the Etowah
* District of Middle Tennessee
* District of Northern Alabama
* District of West Tennessee

* Department of the Ohio: District of East Tennessee
* Department of Kentucky
* District of Cairo
* District of Western Kentucky

* Northern Department: District of Indiana
* District of Illinois
* District of Michigan

Military Division
of West
Mississippi|

* Department of Arkansas: District of Eastern Arkansas
* District of the Frontier
* District of Little Rock

* Department of the Gulf: District of Baton Rouge and Port Hudson
* District of Carrollton
* District of Key West and Tortugas
* District of La Fourche
* District of West Florida and South Alabama

* Department of Kansas: District of Colorado
* District of Nebraska
* District of North Kansas
* District of South Kansas
* District of Upper Arkansas

* Department of Missouri: District of Central Missouri
* District of North Missouri
* District of Rolla
* District of Saint Louis
* District of Southwest Missouri

* Department of New Mexico: District of Arizona

* Department of the Northwest: District of Iowa
* District of Minnesota
* District of Wisconsin
* District of Dakota

Field armies|

* Army of Arkansas
* Army of the Border
* Army of the Cumberland
* Army of the Frontier
* Army of Georgia
* Army of the Gulf
* Army of the James
* Army of Kentucky
* Army of the Mississippi
* Army of the Ohio
* Army of the Potomac
* Army of the Shenandoah
* Army of the Southwest
* Army of the Tennessee
* Army of Virginia
* Army of West Mississippi
* Army of West Virginia

Army corps|

* First Army Corps
* Second Army Corps
* Third Army Corps
* Fourth Army Corps
* Fifth Army Corps
* Sixth Army Corps
* Seventh Army Corps
* Eighth Army Corps
* Ninth Army Corps
* 10th Army Corps
* 11th Army Corps
* 12th Army Corps
* 13th Army Corps
* 14th Army Corps
* 15th Army Corps
* 16th Army Corps
* 17th Army Corps
* 18th Army Corps
* 19th Army Corps
* 20th Army Corps
* 21st Army Corps
* 22d Army Corps
* 23d Army Corps
* 24th Army Corps
* 25th Army Corps
* Cavalry Corps