16 U.S.C. § 460r-2
The Secretary shall acquire by purchase with donated or appropriated funds, by gift, exchange, condemnation, transfer from any Federal agency, or otherwise, such lands, waters, or interests therein, including scenic or other easements within the boundaries of the recreation area as he determines to be needed or desirable for the purposes of this subchapter. Lands, waters, or interests therein owned by the State of Virginia or any political subdivision of that State may be acquired only with the concurrence of such owner.
Notwithstanding any other provision of law, any Federal property located within the boundaries of the recreation area may, with the concurrence of the agency having custody thereof, be transferred without consideration to the administrative jurisdiction of the Secretary for use by him in implementing the purpose of this subchapter.
In exercising his authority to acquire lands by exchange the Secretary may accept title to non-Federal property within the recreation area and convey to the grantor of such property any federally owned property in the State of Virginia under his jurisdiction.
16 U.S.C. § 460r-2