ACREAGE LIMITATIONS.

SEC. 501. ACREAGE LIMITATIONS. Notwithstanding the provisions of section 501(b)(1)(B) of Public Law 99–590, section 3(b) of the Wild and Scenic River Act (16 U.S.C. 1274(b)) is amended to read as follows: “(b) The agency charged with the administration of each component of the national wild and scenic rivers system designated by subsection (a) of this section shall, within one year from the date of designation of such component under subsection (a) (except where a different date if provided in subsection (a)), establish detailed boundaries therefor (which boundaries shall include an average of not more than 320 acres of land per mile measured from the ordinary high water mark on both sides of the river); and determine which of the classes outlined in section 2, subsection (b), of this Act best fit the river or its various segments. “Notice of the availability of the boundaries and classification, and of subsequent boundary amendments shall be published in the Federal Register and shall not become effective until ninety days after they have been forwarded to the President of the Senate and the Speaker of the House of Representatives.”.