Grand River Agency
(See also Standing Rock Agency and Upper Platte Agency)

 While this agency was created in 1869, the correspondence relating to it was filed with the records of the Upper Platte Agency until 1871. In 1873 the Agency was moved 50 miles upstream on the Missouri River in present day North Dakota. The name of the agency was changed to Standing Rock in 1875.

 Letters Received by the Office of Indian Affairs, 1871-75 (M-234).
Inventory available from NARA.
Inclusive dates NARA roll # SD Archives roll #
1871-72 305 1460
1873-75 306 1460

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SD State Archives,  605-773-3804, fax 605-773-6041; email archref@state.sd.us