Treaty with the Sioux, 1858

The Treaty with the Sioux, 1858 was signed on June 19, 1858, between the United States government and representatives of the Sisseton and Wahpeton bands of Dakota. This treaty defined the boundaries of the Lower Sioux reservation as that portion of the strip defined in the Treaty of Traverse des Sioux lying south of the Minnesota River. Notably, this excluded the northern half of the land previously allotted to the Indians. Additional provisions for surveying the land, allotting land to individual families, law enforcement, compensation payments, and economic development were also included.