Reclamation funds are authorized to be appropriated for use in defraying the necessary expenses of appraisement and sale of the lands authorized to be sold under section 571 of this title, and the Secretary of the Interior is authorized to perform any and all acts and to make such rules and regulations as, in his opinion, may be necessary and proper for carrying out the purposes of sections 571 to 573 of this title.
(Mar. 2, 1929, ch. 541, §3,