105 STAT. 304 PUBLIC LAW 102-61—JUNE 19, 1991 (c) ADMINISTRATION. — Lands and interests in lands acquired pursuant to this Act shall be administered as part of the monument and shall be subject to all laws applicable to the monument. (d) AMENDMENT TO GENERAL MANAGEMENT PLAN.— Within one year after the date of enactment of this Act, the Secretary is directed to amend the monument's general management plan with respect to the use and management of the expansion area. 16 USC 431 note. SEC. 5. AUTHORIZATION OF APPROPMATIONS. There are authorized to be appropriated such sums as may be necessary to carry out this Act. Approved June 19, 1991. LEGISLATIVE HISTORY—S. 292: HOUSE REPORTS: No. 102-88 (Comm. on Interior and Insular Affairs). SENATE REPORTS: No. 102-44 (Comm. on Energy and Natural Resources). CONGRESSIONAL RECORD, Vol. 137 (1991): Apr. 25, considered and passed Senate. June 3, considered and pained House.