Fla. Stat. § 258.11
Section fifteen, and the north half of section twenty-two of township fifty-eight south, range thirty-seven east, situated in Miami-Dade County, is ceded to the Florida Federation of Women's Clubs and designated as the "Royal Palm State Park," to be cared for, protected, and to remain in the full possession and enjoyment, with all the possessory rights and privileges thereunto, belonging to the Florida Federation of Women's Clubs, for the purpose of a state park, for the benefit and use of all the people of Florida, perpetually; provided, that the Florida Federation of Women's Clubs shall procure a deed to 960 acres of land in Miami-Dade County, in the vicinity of said state park, suitable for agricultural purposes, conveying to said Florida Federation of Women's Clubs fee simple title thereto, said land to be used as an endowment for the perpetual use and benefit of the said park, its protection, improvement and the beautifying thereof, including the construction of roads and other improvements, either in kind or by the use of the rents and profits accruing therefrom, or the proceeds of sale thereof or any part of said endowment tract.
Fla. Stat. § 258.11