POTTAWATTAMIE COUNTY REVERSIONARY INTEREST.

SEC. 2411. [16 U.S.C. 1244 note] POTTAWATTAMIE COUNTY REVERSIONARY INTEREST. Section 2 of Public Law 101-191 (103 Stat. 1697)is amended by adding at the end the following: “(g) Conveyance of Reversionary Interest.— “(1) In general.—If the Secretary determines that it is no longer in the public interest to operate and maintain the center, subject to paragraph (2), the Secretary may enter into 1 or more agreements— “(A) to convey the reversionary interest held by the United States and described in the quitclaim deed dated April 13, 1998, instrument number 19170, and as recorded in book 98, page 55015, in Pottawattamie County, Iowa (referred to in this subsection as the ‘deed’); and “(B) to extinguish the requirement in the deed that alterations to structures on the property may not be made without the authorization of the Secretary. “(2) Consideration.—A reversionary interest may be conveyed under paragraph (1)(A)— “(A) without consideration, if the land subject to the reversionary interest is required to be used in perpetuity for public recreational, educational, or similar purposes; or “(B) for consideration in an amount equal to the fair market value of the reversionary interest, as determined based on an appraisal that is conducted in accordance with— “(i) the Uniform Appraisal Standards for Federal Land Acquisitions; and “(ii) the Uniform Standards of Professional Appraisal Practice. “(3) Execution of agreements.—The Secretary shall execute appropriate instruments to carry out an agreement entered into under paragraph (1). “(4) Effect on prior agreement.—Effective on the date on which the Secretary has executed instruments under paragraph (3) and all Federal interests in the land and properties acquired under this Act have been conveyed, the agreement between the National Park Service and the State Historical Society of Iowa, dated July 21, 1995, and entered into under subsection (d), shall have no force or effect.” .