The word "owner" as used in this part shall be construed to include any person, Indian or white, or any firm, partnership, corporation, association, or other organization to whom title to the land capable of irrigation, as provided in the act of February 14, 1920 (41 Stat. 409; 25 U.S.C. 386 ), has passed, either by fee or trust patent, or otherwise.
25 C.F.R. §134.6