Except as provided in subsection (e) of this section, lands and interests in lands acquired by the Secretary pursuant to this section or section
of this title shall, upon acceptance of title, become public lands, and, for the administration of public land laws not repealed by this Act, shall remain public lands. If such acquired lands or interests in lands are located within the exterior boundaries of a grazing district established pursuant to section
of this title, they shall become a part of that district. Lands and interests in lands acquired pursuant to this section which are within boundaries of the National Forest System may be transferred to the Secretary of Agriculture and shall then become National Forest System lands and subject to all the laws, rules, and regulations applicable thereto.