Pine Ridge Indian Agency (South Dakota)

History
The Pine Ridge/Red Cloud Agency was established in 1871 and served primarily the Oglala Sioux Indians.

Records
The 1900 federal census included population schedules for the Pine Ridge Reservation. The census includes the non-Indian employees of the Pine Ridge Agency, as well as many pages of Indian Population Schedules for the native population of the Reservation. They are recorded as District 46, Pine Ridge Agency], in Shannon County, South Dakota.