; (4) significance as a habitat for an extremely diverse aggregation of wildlife and plant species of special concern that are thought to inhabit Castner Range, including the sand prickly pear, the Texas lyre snake, and the western burrowing owl; and (5) significance as a one-of-a-kind vegetation region that includes a mountainous area, cactus lechuguilla region, and draw-yucca grassland region. 4. Access and buffer zones (a) Access The Secretary shall continue to provide historical and adequate access to private inholdings within the exterior boundaries of the National Monument. (b) Buffer zones Nothing in this Act creates a protective perimeter or buffer zone around the National Monument. The fact that any activities or uses outside of areas designated by this Act can be seen or heard within the National Monument shall not preclude the activities or uses outside of the National Monument. (c) Use of easements Nothing in this Act shall affect currently used easements located within the National Monument, including the use of Trans Mountain Highway, the National Border Patrol Museum, El Paso Museum of Archaeology, and the El Paso Water Utilities. 5. Management of Federal lands within the National Monument (a) Basis of management (1) Applicable laws The Secretary shall manage the National Monument in a manner that conserves, protects, and enhances the natural resources and values of the National Monument, in accordance with— (A) this Act; (B) the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1701 et seq.); and (C) the Act of June 17, 1902 (commonly known as the Reclamation Act of 1902