R.S. § 2324 derived from act May 10, 1872, ch. 152, § 5, 17 Stat. 92.

Pub. L. 110–161, which directed the amendment of section 28 of title 30, United States Code, “in section 28”, was executed by making the amendment to R.S. § 2324, which is classified to this section, to reflect the probable intent of Congress. See 2007 Amendment note below.

2007—Pub. L. 110–161 substituted “shall commence at 12:01 ante meridian on the first day of September” for “shall commence at 12 o’clock meridian on the 1st day of September”. See Codification note above.

1993—Pub. L. 103–66 inserted “that is granted a waiver under section 28f of this title,” after “On each claim located after the 10th day of May 1872,”.

1958—Pub. L. 85–736 changed period for doing annual assessment work on unpatented mineral claims, substituting “1st day of September” for “1st day of July”.

Pub. L. 85–736, § 2, Aug. 23, 1958, 72 Stat. 829, provided that the period commencing in 1957 for the performance of annual assessment work under this section shall end at 12 o’clock meridian on the 1st day of July 1958, and the period commencing in 1958 for the performance of such annual assessment work shall commence at 12 o’clock meridian on the 1st day of July 1958, and shall continue to 12 o’clock meridian on Sept. 1, 1959.

Admission of Alaska into the Union was accomplished Jan. 3, 1959, on issuance of Proc. No. 3269, Jan. 3, 1959, 24 F.R. 81, 73 Stat. c16, as required by sections 1 and 8(c) of Pub. L. 85–508, July 7, 1958, 72 Stat. 339, set out as notes preceding section 21 of Title 48, Territories and Insular Possessions.