(a) Designation
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 18051806 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.
(b) Boundaries The boundaries of the park are those generally depicted on the map entitled Lewis and Clark National Historical Park, Boundary Map, numbered 405/80027, and dated December 2003, and which includes
(1) lands located in Clatsop County, Oregon, which are associated with the winter encampment of the Lewis and Clark Expedition, known as Fort Clatsop and designated as the Fort Clatsop National Memorial by Public Law 85435, including the site of the salt cairn (specifically, lot number 18, block 1, Cartwright Park Addition of Seaside, Oregon) used by that expedition and adjacent portions of the old trail which led overland from the fort to the coast;
(2) lands identified as Fort Clatsop 2002 Addition Lands on the map referred to in this subsection; and
(3) lands located along the lower Columbia River in the State of Washington associated with the arrival of the Lewis and Clark Expedition at the Pacific Ocean in 1805, which are identified as Station Camp, Clarks Dismal Nitch, and Cape Disappointment on the map referred to in this subsection.
(c) Acquisition of land
(1) Authorization 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.
(2) Consent of landowner required
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.
(3) Acquisition of Fort Clatsop 2002 Addition Lands
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.
(d) Cape Disappointment
(1) Transfer
Subject to valid rights (including withdrawals), the Secretary shall transfer to the Director of the National Park Service management of any Federal land at Cape Disappointment, Washington, that is within the boundary of the park.
(2) Withdrawn land
(A) Notice
The head of any Federal agency that has administrative jurisdiction over withdrawn land at Cape Disappointment, Washington, within the boundary of the park shall notify the Secretary in writing if the head of the Federal agency does not need the withdrawn land.
(B) Transfer
On receipt of a notice under subparagraph (A), the withdrawn land shall be transferred to the administrative jurisdiction of the Secretary, to be administered as part of the park.
(3) Memorial to Thomas Jefferson
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.
(4) Management of Cape Disappointment State Park land
The Secretary may enter into an agreement with the State of Washington providing for the administration by the State of the land within the boundary of the park known as Cape Disappointment State Park.
(e) Map availability
The map referred to in subsection (b) shall be on file and available for public inspection in the appropriate offices of the National Park Service.