All sums of money heretofore or hereafter 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 75% of all moneys received for leases of land situated in the various states to which the United States owns fee simple title for flood control, navigation and allied purposes, as amended or supplemented, is hereby appropriated to the board of supervisors of the county in which the land is situated. The board of supervisors shall expend such sums in accordance with the provisions and regulations of the acts of congress providing for the distribution to states and counties. Within a reasonable time after receipt of the money from the federal government, the state treasurer shall issue his warrant to the treasurer of the county entitled thereto.