Pub. L. 110-229, tit. IV, subtit. E, sec. 472
RIVERS OF STEEL NATIONAL HERITAGE AREA ADDITION.
SEC. 472. RIVERS OF STEEL NATIONAL HERITAGE AREA ADDITION. Section 403(b) of title IV of Division II of the Omnibus Parks and Public Lands Management Act of 1996 (Public Law 104–333) is amended by inserting “Butler,” after “Beaver,”.