S.D. Codified Laws § 13-24-3
Whenever land under the jurisdiction of the commissioner of school and public lands has been lawfully selected and authorized for purchase, as herein provided, located on a section line or a regularly established highway at one corner of a legal subdivision not within forty rods of any residence, without the consent of the owner thereof, and a plot of the land so selected shall have been in the Office of the Commissioner of School and Public Lands, the Board of School and Public Lands is authorized to direct an appraisement of such site and the same shall be appraised in the manner provided by law for the appraisement of school and public lands. Such appraisement shall not be less than the minimum price fixed by the Constitution for school and public lands.
SDCL 13-24-3