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Spotted Tail Agency

Spotted Tail Agency, established in 1874, succeeded Whetstone Agency, which had replaced the Upper Platte Agency in supervising the Sicangu Lakota under Chief Spotted Tail as well as some Sans Arcs, Oglala, Hunkpapa, and Miniconjou people. In 1878 the agency moved to Rosebud Creek and was renamed Rosebud Agency.