Whetstone Agency

(See also Spotted Tail, Rosebud and Upper Platte Agencies)
Succeeding the Upper Platte Agency in 1868, this agency was primarily responsible for the Sicangu people in Spotted Tail’s band. From 1871-1875 the agency was located on the White River near the Dakota-Nebraska border. In 1874 the agency was renamed Spotted Tail Agency.