Standing Rock Indian Agency (North Dakota)

History
The Standing Rock Agency succeeded the Grand River Agency which was established in 1869 for several bands of Sioux Indians. The Grand River Agency was moved to Standing Rock in 1873 and renamed Standing Rock Agency in 1874.

Records
Letters received by the Office of Indian Affairs from the Standing Rock Agency, 1875-1880, have been microfilmed by the National Archives as part of their Microcopy Number M234. Copies are available at the National Archives and at the Family History Library and its family history centers on their microfilm roll numbers 1661576 thru 1661582.