The Secretary of the Interior may, as of March 3, 1909, in his discretion cause to be made, as he may deem wise under the rectangular system on that date provided by law, such resurveys or retracements of the surveys of public lands as, after full investigation, he may deem essential to properly mark the boundaries of the public lands remaining undisposed of: Provided, That no such resurvey or retracement shall be so executed as to impair the bona fide rights or claims of any claimant, entryman, or owner of lands affected by such resurvey or retracement.
(Mar. 3, 1909, ch. 271, 35 Stat. 845; June 25, 1910, No. 40, 36 Stat. 884; Pub. L. 94–579, title VII, §705(a), Oct. 21, 1976, 90 Stat. 2792.)
1976—Pub. L. 94–579 struck out proviso authorizing that not more than 20 per centum of relevant appropriations be used for resurveys and retracements under this section.
Pub. L. 94–579, title VII, §705(a), Oct. 21, 1976, 90 Stat. 2792, provided that the amendment made by section 705(a) is effective on and after Oct. 21, 1976.
Amendment by Pub. L. 94–579 not to be construed as terminating any valid lease, permit, patent, etc., existing on Oct. 21, 1976, see section 701 of Pub. L. 94–579, set out as a note under section 1701 of this title.