In order to preserve for the benefit of the people of the United States the historic, cultural, scenic, and natural resources associated with the arrival of the Lewis and Clark Expedition in the lower Columbia River area, and for the purpose of commemorating the culmination and the winter encampment of the Lewis and Clark Expedition in the winter of 1805–1806 following its successful crossing of the North American Continent, there is designated as a unit of the National Park System the Lewis and Clark National Historical Park.
The Secretary is authorized to acquire land, interests in land, and improvements therein within the boundaries of the park, as identified on the map referred to in subsection (b), by donation, purchase with donated or appropriated funds, exchange, transfer from any Federal agency, or by such other means as the Secretary deems to be in the public interest.
The lands authorized to be acquired under paragraph (1) (other than corporately owned timberlands within the area identified as “Fort Clatsop 2002 Addition Lands” on the map referred to in subsection (b)) may be acquired only with the consent of the owner.
If the owner of corporately owned timberlands within the area identified as “Fort Clatsop 2002 Addition Lands” on the map referred to in subsection (b) agrees to enter into a sale of such lands as a result of actual condemnation proceedings or in lieu of condemnation proceedings, the Secretary shall enter into a memorandum of understanding with the owner regarding the manner in which such lands shall be managed after acquisition by the United States.
All withdrawals of the 20-acre parcel depicted as a “Memorial to Thomas Jefferson” on the map referred to in subsection (b) are revoked, and the Secretary shall establish a memorial to Thomas Jefferson on the parcel.