; and (iii) the guidelines set forth in appendix A of the Report of the Committee on Interior and Insular Affairs to accompany H.R. 2570 of the 101st Congress (H. Rept. 101–405). (C) Maintenance of existing roads Necessary maintenance or repairs to any road described in subparagraph (B) or (C) of paragraph (1) shall be permitted after the date of enactment of this Act, consistent with the requirements of this subsection. (D) Range improvements The construction, reconstruction, and maintenance of range improvements shall be allowed in the Upper Wilderness and the Lower Wilderness. (E) Buffer zones (i) In general Nothing in this paragraph creates a protective perimeter or buffer zone around the Upper Wilderness or the Lower Wilderness. (ii) Activities outside wilderness areas The fact that an activity or use on land outside the Upper Wilderness or the Lower Wilderness can be seen or heard within the Upper Wilderness or the Lower Wilderness, respectively, shall not preclude the activity or use outside the boundary of the Upper Wilderness or the Lower Wilderness. (3) Release of wilderness study area Congress finds that, for the purposes of section 603(c) of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1782(c) ), the land within the Sweetwater Canyon Wilderness Study Area not designated as wilderness by this subsection has been adequately studied for wilderness designation and is no longer subject to section 603(c) of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1782(c) ). (b) Designation of Sweetwater Rocks Special Management Area (1) Designation The land within the Lankin Dome, Split Rock, Savage Peak, and Miller Springs Wilderness Study Areas is designated as the Sweetwater Rocks Special Management Area (referred to in this subsection as the Special Management Area ). (2) Administration The Special Management Area shall be administered by the Director in a manner that protects— (A) valid existing rights; (B) agricultural uses; (C) primitive recreational opportunities