S.D. Codified Laws § 6-5-4
Any county, municipality, sanitary district, township, or school district of this state may, by resolution, exchange any land belonging to them with a private owner. Before entering into a contract for the exchange of real property, the governing body shall cause the real property to be appraised by a board of three disinterested appraisers who are freeholders within the county, municipality, sanitary district, township, or school district or by one or more persons licensed by the state to do fee appraisals. Any exchange shall be made upon such terms, conditions, and in such manner as may be determined and agreed upon by the parties, following public notice and hearing. The notice of the proposed exchange and hearing shall be published once at least ten days before the hearing. The notice shall contain a description of the lands to be exchanged.
SDCL 6-5-4