The Secretary is authorized to acquire lands, waters, and interest therein within the boundaries of the Chaco Culture National Historical Park (hereinafter referred to as the “park”) and the archeological protection sites as identified in section
410ii–1 of this title by donation, purchase with donated or appropriated funds, or exchange. Property owned by the State of New Mexico or any political subdivision thereof, may be acquired by exchange or donation only. Property held in trust for the benefit of any Indian tribe or for the benefit of any individual member thereof may be acquired only with the consent of such owner or beneficial owner as the case may be.