SDCL § 5-7-36: Records of mineral interests and leases maintained by commissioner.

The commissioner of school and public lands shall keep in his office a full and complete record of all lease lettings, sales, copies of all leases, a record of the payment of the rentals, a record of the assignment of the leases, a record of the acquisition of all mineral interests, a record of the royalties due and paid, and such other information as shall be determined by him to be of value to the State of South Dakota and the owners of mineral interests and leases.