PUBLIC LAW 101-628—NOV. 28, 1990 104 STAT. 4495 (b) The administration of the recreation area by the Secretary shall be subject to and in accordance with all applicable treaties, including the treaty between the United States and Mexico relating to the utilization of waters of the Colorado and Tijuana Rivers and the Rio Grande, entered into force November 8, 1945 (59 Stat. 1219, and in accordance with the Act of July 7, 1960 (Public Law 86-605; 74 Stat. 360), and any commitment or agreement entered into pursuant to such treaty or Act, including (but not limited to) commitments or agreements relating to— (1) the demarcation and maintenance of boundaries; (2) the use, storage, and furnishing of water; (3) control of floods; (4) investigations relative to the operation of the Amistad Dam; and (5) the production of hydroelectric energy. (c) The Secretary shall conduct a survey of the cultural resources in the immediate vicinity of the recreation area. The Secretary is authorized to enter into cooperative agreements with public or private entities, including landowners, for the purpose of conducting the survey required by this subsection. Not later than two years after the date of enactment of this Act, the Secretary shall submit a report to the Committee on Interior and Insular Affairs- of the House of Representatives and the Committee on Energy and Natural Resources of the Senate on the results of the survey required by this subsection. (d)(1) The Secretary shall permit hunting and fishing on lands and waters under the Secretary's jurisdiction within the recreation area in accordance with applicable Federal and State law. The Secretary may designate zones where, and establish periods when, hunting or fishing will not be permitted for reasons of public safety, administration, fish and wildlife management, or public use and enjoyment. (2) Except in emergencies any regulations issued by the Secretary under this subsection shall be put into effect only after consultation with the appropriate State agencies responsible for hunting and fishing activities. (e) For purposes of administering the recreation area, the Secretary may enter into cooperative agreements with any Federal agency, the State of Texas, or any political subdivision thereof, for the rendering, on a reimbursable basis, of rescue, firefighting, and law enforcement and fire preventive assistance. SEC. 507. AUTHORIZATION OF APPROPRIATIONS. There are authorized to be appropriated such sums as may be necessary to carry out the purposes of sections 505 and 506 of this Act. Reports. 16 USC 460fff-2. TITLE VI—UNDERGROUND RAILROAD STUDY SEC. 601. PURPOSE. The purpose of this title is to study the Underground Railroad, its routes and operations in order to preserve and interpret this aspect of American history. SEC. 602. (a) The Secretary of the Interior, acting through the Director of the National Park Service, shall conduct a study of alternatives for commemorating and interpreting the Underground Railroad, the approximate routes taken by slaves escaping to free- Historic preservation. 16 USC la-5 note.