The term “Manhattan Project” means the Federal military program to develop an atomic bomb ending on December 31, 1946.
The Historical Park shall consist of facilities and areas listed under paragraph (2) as determined by the Secretary, in consultation with the Secretary of Energy. The Secretary shall include the area referred to in paragraph (2)(C)(i), the B Reactor National Historic Landmark, in the Historical Park.
Not later than 1 year after December 19, 2014, the Secretary and the Secretary of Energy (acting through the Oak Ridge, Los Alamos, and Richland site offices) shall enter into an agreement governing the respective roles of the Secretary and the Secretary of Energy in administering the facilities, land, or interests in land under the administrative jurisdiction of the Department of Energy that is  to be included in the Historical Park under subsection (c)(2), including provisions for enhanced public access, management, interpretation, and historic preservation.
The official boundary map published under paragraph (2) shall be on file and available for public inspection in the appropriate offices of the National Park Service. The map shall be updated to reflect any additions to the Historical Park from eligible areas described in subsection (c)(2).
Not later than 3 years after the date on which funds are made available to carry out this subsection, the Secretary, with the concurrence of the Secretary of Energy, with respect to land administered by the Secretary of Energy, and in consultation and collaboration with the Oak Ridge, Los Alamos and Richland Department of Energy site offices, shall complete a general management plan for the Historical Park in accordance with section 100502 of title 54.
The Secretary may not acquire by condemnation any land or interest in land under this section.
The Secretary may accept donations from, and enter into cooperative agreements with, State governments, units of local government, tribal governments, organizations, or individuals to further the purpose of an interagency agreement entered into under clause (i) or to provide visitor services and administrative facilities within reasonable proximity to the Historical Park.
Nothing in this section creates a protective perimeter or buffer zone around the boundary of the Historical Park.
Nothing in this section shall be construed to create a cause of action with respect to activities outside or adjacent to the established boundary of the Historical Park.