Okla. Stat. tit. 66, § 7.1
Any railroad corporation abandoning any section of track or right-of-way in the state shall file a copy of all maps pertaining to said section of track or right-of-way with the Archives and Records Division of the Oklahoma Department of Libraries within six (6) months after a final decision and certificate of abandonment has been issued by the Interstate Commerce Commission.
Laws 1981, HB 1237, c. 39, § 1, eff. October 1, 1981.