; and (B) has determined that sufficient land or interests in land have been acquired within the boundary of the Monument to constitute a manageable unit. (c) Boundaries The boundaries of the Monument shall be the boundaries generally depicted on the Map. (d) Availability of Map The Map shall be on file and available for public inspection in the appropriate offices of the National Park Service. (e) Acquisition authority The Secretary may only acquire any land or interest in land located within the boundary of the Monument by donation, purchase with donated or appropriated funds, or exchange. (f) Administration (1) In general The Secretary shall administer the Monument in accordance with— (A) this section; (B) Presidential Proclamation 9811 (83 Fed. Reg. 54845 (October 31, 2018)); and (C) the laws generally applicable to units of the National Park System, including— (i) section 100101(a), chapter 1003, and sections 100751(a), 100752, 100753, and 102101 of title 54, United States Code