Okla. Stat. tit. 69, § 1229
The Department shall, in cooperation with the county surveyor of the county affected, locate section and quarter section corners within the right-of-way of all state highways when surveys and plans are being made for contemplated new construction or resurfacing, and re-mark such corners in the right-of-way by a suitable marker, of a design to be approved by the Department. Whenever such corners are located on a highway to be hard-surfaced, or resurfaced, the Department shall identify such corners on the roadway by bronze surface markers, of a design to be approved by the Department.
Laws 1968, HB 501, c. 415, § 1229, emerg. eff. July 1, 1968.