Mo. Rev. Stat. § 241.120: Patents to be evidence of title.

All patents issued, executed and duly recorded, as required by sections 241.010 to 241.280, or a certified copy of the same, which shall include all the land therein described, or which shall include any separate and distinct description of the lands therein described, either under the hand of the secretary of state or the recorder of the proper county, shall be received and read in all courts in this state as prima facie evidence of the title in the counties where such overflowed and swamp lands severally lie.