; and (II) conducted in accordance with appropriate policies, such as the policies established in Appendix B of the report of the Committee on Interior and Insular Affairs of the House of Representatives accompanying H.R. 2570 of the 101st Congress (House Report 101–405). (ii) Inclusions Management activities under clause (i) may include the occasional and temporary use of motorized vehicles, if the use, as determined by the Secretary, would promote healthy, viable, and more naturally distributed wildlife populations that would enhance wilderness values while causing the minimum impact necessary to accomplish those tasks. (E) Existing activities Consistent with section 4(d)(1) of the Wilderness Act ( 16 U.S.C. 1133(d)(1) ) and in accordance with appropriate policies, such as the policies established in Appendix B of the report of the Committee on Interior and Insular Affairs of the House of Representatives accompanying H.R. 2570 of the 101st Congress (House Report 101–405), the State may use aircraft (including helicopters) in the wilderness areas to survey capture, transplant, monitor, and provide water for wildlife populations, including bighorn sheep and feral stock, feral horses, and feral burros. (c) Management of land not designated as wilderness (1) Release of wilderness study area (A) Finding Congress finds that, for purposes of section 603(c) of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1782(c) ), any portion of the Federal land designated as a wilderness study area, but not depicted on the Map as a wilderness study area, that is not designated as wilderness by subsection (b)(1) has been adequately studied for wilderness designation. (B) Release Except as provided in paragraph (2), the land described in subparagraph (A)— (i) is no longer subject to section 603(c) of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1782(c) )