; (3) the story of the courage and activism of Mamie Till-Mobley that was demonstrated as Mamie Till-Mobley transformed the murder of her son into a powerful symbol of racial injustice; and (4) the civil rights movement. (d) Map; Boundaries (1) Map As soon as practicable after the date of enactment of this Act, the Secretary shall prepare a map of the National Historic Site. (2) Availability of map The map prepared under paragraph (1) shall be on file and available for public inspection in the appropriate offices of the National Park Service. (3) Boundaries The boundaries of the National Historic Site shall be the boundaries generally depicted on the map prepared under paragraph (1). (e) Acquisition authority The Secretary may acquire any land or interest in land located within the boundary of the National Historic Site by— (1) donation; (2) purchase from a willing seller with donated or appropriated funds; or (3) exchange. (f) Administration (1) In general The Secretary shall administer the National Historic Site in accordance with— (A) this Act; and (B) the laws generally applicable to units of the National Park System. (2) Agreements The Secretary may— (A) enter into an agreement with the Roberts Temple for the purpose of providing public access to, and interpretation, operation, and maintenance of, the National Historic Site