; and (B) acquired sufficient land or interests in land within the boundaries of the national historic site to constitute a manageable unit. (b) Boundaries The boundaries of the national historic site 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) Acquisition of authority The Secretary may only acquire any land or interest in land located within the boundary of the national historic site by— (1) donation; (2) purchase with donated funds; or (3) exchange. (e) Administration (1) In general The Secretary shall administer this national historic site in accordance with— (A) this Act; and (B) the laws generally applicable to units of the National Park System. (2) Management plan (A) Not later than 3 years after the date on which funds are first made available to the Secretary for this purpose, the Secretary shall prepare a general management plan for the national historic site in accordance with section 100502 of title 54, United States Code. (B) Upon completion, the Secretary shall submit the general management plan prepared pursuant to subparagraph (A) to the Committee on Natural Resources of the House of Representatives and Committee on Energy and Natural Resources of the Senate. (f) Cooperative agreements The Secretary shall enter into cooperative agreements with the Blackwell School Alliance (and other local, regional, State, academic and non-profit partners) for interpretive and educational programming, technical assistance, and rehabilitation related to the national historic site. (g) Written consent of owner No private property or non-Federal public property shall be included within the boundaries of the national historic site or managed as part of the national historic site without the written consent of the owner of such property.