The boundaries of the park are hereby modified to reflect the addition of approximately 3,460 acres of land and interests therein as generally depicted on the map entitled “Saguaro National Monument Additions” and dated April, 1994.

Within the lands added to the park pursuant to subsection (a), the Secretary is authorized to acquire lands and interests therein by donation, purchase with donated or appropriated funds, transfer, or exchange: Provided, That no such lands or interests therein may be acquired without the consent of the owner thereof unless the Secretary determines that the land is being developed, or is proposed to be developed in a manner which is determental 1 to the integrity of the park.

The Secretary may, with the consent of the State of Arizona and in accordance with Federal and State law, acquire land or interests therein owned by the State of Arizona within the boundary of the park.

If the Secretary is unable to acquire the State land under paragraph (2), the Secretary may enter into an agreement with the State that would allow the National Park Service to manage State land within the boundary of the park.