Lewis and Clark National Historical Park Designation Act

[AI summary unavailable — showing source text] Lewis and Clark National Historical Park Designation Act of 2004 - Designates the Lewis and Clark National Historical Park as a unit of the National Park System. Defines the boundaries of the park, located in the States of Oregon and Washington, according to a map entitled "Lewis and Clark National Historical Park, Boundary Map" which includes the Fort Clatsop National Memorial and other specified lands. Authorizes the Secretary of the Interior to acquire land within park boundaries. Directs that such land may be acquired only with the consent of the owner except with regard to specified corporately owned timberlands. Requires the Secretary, if the owner of such corporately owned timberlands agrees to sell, to enter into a memorandum of understanding with the owner addressing post-acquisition management of those lands. Requires the map of the park to be made available for public inspection in the appropriate offices of the National Park Service (NPS). Requires the Secretary to: (1) administer the park in accordance with this Act and with laws generally applicable to the NPS; and (2) prepare a management plan for the park. Authorizes the Secretary to enter into cooperative…