Sections 22 to 24, 26 to 28, 29, 30, 33 to 35, 37, 39 to 42, and 47 of this title, referred to in text, were in the original “the act entitled ‘An act to promote the development of mining resources of the United States’ approved May tenth, eighteen hundred and seventy-two”, meaning act May 10, 1872, ch. 152, 17 Stat. 91, popularly known as the Mining Act of 1872. That act was incorporated into the Revised Statutes as R.S. §§ 2319 to 2328, 2331, 2333 to 2337, and 2344, which are classified to sections 22 to 24, 26 to 28, 29, 30, 33 to 35, 37, 39 to 42, and 47 of this title. For complete classification of R.S. §§ 2319 to 2328, 2331, 2333 to 2337, and 2344 to the Code, see Tables.

1920—The exception clause has been inserted at beginning of this section because of act Fespan. 25, 1920, which provided that deposits of coal, phosphate, sodium, oil, oil shale, or gas, and lands containing such deposits owned by the United States, shall be subject to disposition in the form and manner provided by such act.