Such rights and interests in minerals, including all minerals of whatever nature, in and underlying the lands within the boundaries of the park and which are acquired by the United States under the provisions of this subchapter are hereby withdrawn from leasing and are hereby excluded from the application of the present or future provisions of the Mineral Leasing Act for Acquired Lands [
30 U.S.C.
351 et seq.] or other Act in lieu thereof having the same purpose, and the same are hereby also excluded from the provisions of all present and future laws affecting the sale of surplus property or of said mineral interests acquired pursuant to this subchapter by the United States or any department or agency thereof, except that, if such person having such preferential right to a reconveyance fails or refuses to exercise such preferential right to a reconveyance as provided in subsection (b) of this section then this subsection (c) shall not be applicable to the rights and interests in such minerals in the identical lands of such person so failing or refusing to exercise such preferential right to a reconveyance from and after the one hundred and eighty-day period referred to in subsection (b) of this section.