; and (3) to enhance public access to preserve and protect the historically significant resources associated with the Black Panther Party. 4. Definitions In this Act: (1) National historical park The term National Historical Park means the Black Panther Party National Historical Park established by section 5(a)(1). (2) Map The term Map means the map entitled ____, numbered __, and dated ____. (3) Secretary The term Secretary means the Secretary of the Interior, acting through the Director of the National Park Service. 5. Establishment of the Black Panther Party National Historical Park (a) Establishment (1) In general Subject to paragraph (2), there is established the Black Panther Party National Historical Park in the State of California, as a unit of the National Park System, to preserve and educate the history and impact of the Black Panther Party and the nationally significant role it played in the history of the United States. (2) Conditions The National Historical Park shall not be established until the date on which the Secretary acquires sufficient land within the boundaries of the National Historical Park to constitute a manageable unit. (b) Boundaries The boundaries of the National Historical Park shall be the boundaries generally depicted on the Map. (c) Availability of map The Map shall be on file and available for public inspection in the appropriate offices of the National Park Service. (d) Other resources The Secretary may include in the National Historical Park boundary any resources that are the subject of an agreement under subsection (g). (e) Boundary adjustment On the acquisition of additional land or interests in land or on entering an agreement under subsection (g), the boundary of the National Historical Park shall be adjusted to reflect the acquisition or agreement by publishing a National Historical Park boundary map in the Federal Register. The map shall be available for public inspection in the appropriate offices of the National Park Service. (f) Land acquisition The Secretary may