104 STAT. 1920 PUBLIC LAW 101-512—NOV. 5, 1990 expenses of enforcement activities, authorized or approved by the Secretary and to be accounted for solely on his certificate; repair of damage to public roads within and adjacent to reservation areas caused by operations of the United States Fish and Wildlife Service; options for the purchase of land at not to exceed $1 for each option; facilities incident to such public recreational uses on conservation areas as are consistent with their primary purpose; and the maintenance and improvement of aquaria, buildings, and other facilities under the jurisdiction of the United States Fish and Wildlife Service and to which the United States has title, and which are utilized pursuant to law in connection with management and investigation Gifts to of fish and wildlife resources: Provided, That the United States Fish Government. ^n^ Wildlife Service may accept donated aircraft as replacements for existing aircraft. Amounts collected prior to 1983 for "Special Recreation Use Fees," United States Fish and Wildlife Service, pursuant to 16 U.S.C. 4601-6a (b), (c), and (f) shall be transferred to the General Fund of the Treasury. Amounts collected prior to October 1, 1984 from taxes imposed by section 4161(a) of the Internal Revenue Code; import duties under subpart B of part 5 of schedule 7 of the Tariff Schedules of the United States (19 U.S.C. 1202), and on yachts and pleasure craft under subpart D schedule 6, shall be transferred to the Sport Fish Restoration account of the Aquatic Resources Trust Fund. NATIONAL PARK SERVICE OPERATION OF THE NATIONAL PARK SYSTEM For expenses necessary for the management, operation, and maintenance of areas and facilities administered by the National Park Service (including special road maintenance service to trucking permittees on a reimbursable basis), and for the general administration of the National Park Service, including not to exceed $492,000 for the Roosevelt Campobello International Park Commission, and not less than $1,000,000 for high priority projects within the scope of the approved budget which shall be carried out by Youth Conservation Corps as if authorized by the Act of August 13, 1970, as amended by Public Law 93-408, $881,317,000, without regard to the Act of August 24, 1912, as amended (16 U.S.C. 451), of which not to exceed $55,500,000 to remain available until expended is to be derived from the special fee account established pursuant to 16 USC 20b note, title V, section 5201, of Public Law 1(^0-2^: Provided, That the National Park Service shall not enter into future concessionaire contracts, including renewals, that do not include a termination for cause clause that provides for possible extinguishment of possessory interests excluding depreciated book value of concessionaire investments without compensation: Provided further. That of the funds provided herein, $600,000 is available for the National Institute for West Virginia. the Conservation of Cultural Property: Provided further. That of the funds provided under this head in this Act and in subsequent annual appropriation Acts, $85,000 shall be available to assist the town of Harpers Ferry, West Virginia, for police force use.