Mo. Rev. Stat. § 12.080

12.080. County commission shall direct expenditures. — All sums of money received from the United States, or any department thereof under an act of Congress approved August 18, 1941, being an act providing for the payment to the several states of seventy-five percent of all moneys received for leases of land situated in the various states to which the United States owns fee simple title under the Flood Control Act of May 15, 1928, as amended and supplemented (33 U.S.C.A. § 701c-3), to be expended as the general assembly may prescribe for the benefit of the public schools and public roads of the county in which the government land is situated, or for defraying any of the expenses of county government in the county, including public obligations of levee and drainage districts for flood control and drainage improvements, or as provided by any acts of Congress authorizing the distribution of income or revenue from lands owned by the United States of America or any of its departments, bureaus or commissions or any agency of the United States of America, to states or counties or as provided by any amendments to those acts, shall be expended as the county commission of the county entitled to receive the funds directs in accordance with the provisions and regulations provided by the acts of Congress for distribution to states and counties.

(RSMo 1939 § 12696, A.L. 1955 p. 766, A.L. 1957 p. 726)