Any reservations retained under the provisions of subsection (1) of shall be exercised by the owners subject to reasonable rules and regulations which the Secretary may prescribe for the protection of the park, but which shall permit the reserved rights to be exercised so that the oil, gas, and minerals may be explored for, developed, extracted, and removed from the park area in accordance with sound conservation practices. All operations shall be carried on under such regulations as the Secretary may prescribe to protect the lands and areas for park purposes.section 410e of this title