Mo. Rev. Stat. § 241.020: Duty of governor and secretary of state as to lists and plats.

Whenever the situation, description and quantity of said lands are made known to the governor, as soon as he shall receive from the government of the United States lists and plats of said lands, he shall cause such lists and plats to be filed in the office of the secretary of state, and the secretary of state shall furnish such information and copies of such lists and plats to the county commissions respectively of the counties in which said lands severally lie; and said lists and plats shall be received in all the courts of this state as prima facie evidence of the title in said counties to said lands.