South dakota constitution
Article VI: bill of rights
Section 13

Private property shall not be taken for public use, or damaged, without just compensation, which will be determined according to legal procedure established by the Legislature and according to ยง 6 of this article. No benefit which may accrue to the owner as the result of an improvement made by any private corporation shall be considered in fixing the compensation for property taken or damaged. The fee of land taken for railroad tracks or other highways shall remain in such owners, subject to the use for which it is taken.