The Secretary of the Interior is authorized to accept the donation of the following-described lands, which lands, upon acceptance by the United States, shall become a part of the national park:
sixth principal meridian
Township 41 north, range 116 west: Section 3, lots 1 and 2.
Containing seventy-eight and ninety-three one-hundredths acres, more or less.
(Sept. 14, 1950, ch. 950, § 7, 64 Stat. 852.)