Mo. Rev. Stat. § 446.150: Plats, certificates and depositions in evidence.

Plats and certificates of surveys and depositions to establish corners, or certified copies of the record thereof, when the same shall have been made or taken in conformity to the provisions of sections 446.010 to 446.180, may be used and received in evidence in all cases to which they may relate, subject to exceptions for irrelevancy or incompetency.