43 U.S.C. § 439
The entryman upon lands to be irrigated shall, in addition to compliance with the homestead laws, reclaim at least one-half of the total irrigable area of his entry for agricultural purposes.
(June 17, 1902, ch. 1093, § 5, 32 Stat. 389.)
Provisions of this section as not amended, modified or repealed by the Submerged Lands Act, see section 1303 of this title.