16 U.S.C. § 715d-1, 715d-2
Sections, act June 15, 1935, ch. 261, title III, §§302, 303, 49 Stat. 382, provided for acceptance of land in exchange for other land or timber, etc. rights and for acceptance of land in exchange for patent to nonmineral public land. See section 668dd(b)(3) of this title.