Mellette County, South Dakota
Mellette County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 1,918. Its county seat is White River. The county was created in 1909, and was organized in 1911. It was named for Arthur C. Mellette, the last Governor of the Dakota Territory and the first Governor of the state of South Dakota.
White River from the West, the county seat
The Geography, Geology and Biology of Mellett, Washabaugh, Bennett and Todd Counties, South-Central South Dakota
Arthur Calvin Mellette was the last Governor of Dakota Territory, the first Governor of the State of South Dakota, and an American Civil War veteran.
Arthur C. Mellette
Mellette House in Watertown, South Dakota