30 U.S.C. § 28a
Section, act June 29, 1950, ch. 404, 64 Stat. 275, provided for extension of time of annual assessment work, on mining claims in the United States, including Alaska, for period commencing , until 12 o’clock noon , and also provided for commencement of assessment work or improvements required for year ending 12 o’clock noon , immediately following 12 o’clock noon . See sections 28b to 28e of this title.