SDCL § 5-1-8: Land records and conveyances transferred to commissioner--Indexing and filing.

All boards, commissions, or other agencies of the State of South Dakota having the control of and administering lands in which the title is in the State of South Dakota, or any officer of the state having the custody of any such records shall transfer to the commissioner of school and public lands all records pertaining to the same including deeds, patents, and other conveyances together with all easements or grants of any kind affecting such land. The commissioner of school and public lands shall index such lands in the platbooks of the Department of School and Public Lands according to the legal description thereof and index and file all title papers or easements heretofore or hereafter granted.