Unsurveyed sections 28 and 33, township 36 south, range 3 west, and section 20, township 37 south, range 3 west, Salt Lake meridian, public lands of the United States, are added to and made a part of the Bryce Canyon National Park subject to the provisions of sections 346, 401, and 402 of this title.
16 U.S.C. § 402c