For all subdivisions, an Oklahoma registered land surveyor shall install permanent survey monuments at all property corners and land lot lines, prior to final plat approval. Lot corners shall be marked with metal rods not less than ½” in diameter and 18" in length and driven so as to be stabilized in the ground. Permanent survey monuments shall also be installed in accordance with the State of Oklahoma Statutes Regulating Professional Engineering and Land Surveying. (Ord. 437, - -2020)