PUBLIC LAW 101-292—MAY 17, 1990 104 STAT. 187 (D) The expansion, remodeling, or reconstruction of such homes shall be subject to approval of and regulation by the Secretary. No expansion, remodeling, or reconstruction may increase the height of structure or result in an increase of more than 25 percent of the sum of the exterior dimensions of a structure as it existed on the date of enactment of this Act. Any expansion, remodeling, or reconstruction shall be consistent with the criteria developed pursuant to section 7(b)(4) of this Act and shall be subject to such other terms and conditions as the Secretary may prescribe. (E) Any such home may be purchsised at the fair market value of the structure and improvements by the Secretary on a willing seller basis. (F) The permit may be terminated at any time for failure to comply with its terms and conditions and applicable regulations without cost to the Federal Government in accordance with the permit. (G) After termination of any such permit, if any improvements or property are not removed by their owner within one year of the termination, they shall become the property of the Federal Government. (9) Solely for purposes of payments pursuant to section 6904 of title 31, United States Code, lands on Grand Island acquired by the United States after January 1, 1990 shall be considered to have been acquired for addition to a National Forest Wilderness Area (national forest portion of the National Wilderness Preservation System). SEC. 4. ACQUISITION. Gifts and (a) GENERAL AUTHORITY.— Subject to the provisions of subsection jg USC^ 3(b)(8) and subsection (b) of this section, the Secretary is authorized 460aaa-3. and directed to acquire by purchase, gift, exchange, or otherwise, lands, waters, structures, or interests therein, including scenic or other easements, within the boundaries of the national recreation area to further the purposes of this Act: Provided, That the Secretary may not acquire any privately owned lands within the national recreation area other than with the consent of the owner so long as the owner agrees to the restrictions contained in subsection (b)(l) of this section and grants the Secretary a right of first refusal as provided in subsection (b)(2) of this section. The Secretary also is authorized and directed to acquire lands or structures by such means on the mainland to the extent necessary for access to and administrative facilities for the national recreation area. In acquiring lands or structures under this subsection, the Secretary is directed to give prompt and careful consideration to any offer to sell land or structures made by an individual, organization, or any legal entity owning property within the boundaries of the national recreation area. (b) PRIVATE LANDS.—(1) An owner of unimproved real property within the national recreation area may construct recreational residences that are architecturally compatible with other structures within the national recreation area, as described by the management plan developed pursuant to section 7 of this Act. (2)^ Any privately owned lands, interests in lands, or structures within the national recreation area shall not be disposed of by donation, exchange, sale, or other conveyance without first being
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