1958—Pub. L. 85–401 increased maximum acreage from one hundred acres to two hundred and fifty acres.

1950—Act Sept. 20, 1950, increased maximum acreage from eighty to one hundred acres.

Section 2 of act Sept. 20, 1950, provided that: “There is hereby authorized to be appropriated not to exceed $5,000 for the acquisition of land and interests in land for the said national monument. The Secretary of the Interior is authorized to use any funds so appropriated, together with any donated funds made available pursuant to the aforesaid Act of May 26, 1936 [sections 433g, 433h, 433i, and 433j of this title], for this procurement of land and interests in land for the national monument.”

Pub. L. 108–417, Nov. 30, 2004, 118 Stat. 2339, provided that:

“(a) In General.—Notwithstanding section 5(b) of Public Law 90–401 (16 U.S.C. 460l–22 (b)), the Secretary of the Interior is authorized to convey to Christ Church of St. Simons Island, Georgia, the approximately 6.0 acres of land within the boundary of Fort Frederica National Monument adjacent to Christ Church and depicted as ‘NPS Lands for Exchange’ on the map entitled ‘Fort Frederica National Monument 2003 Boundary Revision’ numbered 369/80016, and dated April 2003, in exchange for approximately 8.7 acres of land to be acquired by Christ Church, which is depicted as ‘Private Lands for Addition’ on the same map.

“(b) Map Availability.—The map referred to in subsection (a) shall be on file and available for public inspection in the appropriate offices of the National Park Service.

“Upon completion of the land exchange under subsection (a) of section 1, the Secretary of the Interior shall revise the boundary of Fort Frederica National Monument to reflect the exchange and shall administer the land acquired through the exchange as part of that monument.”