The provisions of the Act of August 25, 1916, entitled “An Act to establish a national park service, and for other purposes,” ¹ and the Act of February 26, 1917, entitled “An Act to establish the Mount McKinley National Park, in the Territory of Alaska,” [16 U.S.C. 347 et seq.] together with all Acts supplementary to and amendatory of said Acts are made applicable to and extended over the lands added to the park by section 355 of this title.