The Secretary shall, immediately after the publication of the boundaries of the preserve, commence negotiations for the acquisition of the lands located therein: Provided, That he shall not acquire the mineral estate in any property or existing easements for public utilities, pipelines or railroads without the consent of the owner unless, in his judgment, he first determines that such property or estate is subject to, or threatened with, uses which are, or would be, detrimental to the purposes and objectives of sections 698 to 698e of this title: Provided further, That the Secretary, insofar as is reasonably possible, may avoid the acquisition of improved properties, as defined in sections 698 to 698e of this title, and shall make every effort to minimize the acquisition of land where he finds it necessary to acquire properties containing improvements.
16 U.S. Code § 698a - Acquisition of property for Big Thicket Preserve
 So in original. Probably should be “Committees”.
Committee on Interior and Insular Affairs of the Senate abolished and replaced by Committee on Energy and Natural Resources of the Senate, effective Feb. 11, 1977. See Rule XXV of Standing Rules of the Senate, as amended by Senate Resolution No. 4 (popularly cited as the “Committee System Reorganization Amendments of 1977”), approved Feb. 4, 1977.
Committee on Interior and Insular Affairs of the House of Representatives changed to Committee on Natural Resources of the House of Representatives on Jan. 5, 1993, by House Resolution No. 5, One Hundred Third Congress.