16 U.S.C. § 406d–4

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.