30 U.S. Code § 292 - Royalties and rentals; disposition
For the privilege of mining or extracting the gold, silver, or quicksilver deposits in the land covered by such lease, the lessee shall pay to the United States a royalty, which shall not be less than 5 per centum nor more than 121/2 per centum of the net value of the output of the gold, silver, or quicksilver at the mine, due and payable at the end of each month succeeding that of the extraction of the minerals from the mine. All moneys received from royalties and rentals under the provisions of this chapter shall be deposited in the Treasury of the United States, and disposed of in the same manner as rentals and royalties under the provisions of section 191 of this title.
Source(June 8, 1926, ch. 503, § 2,44 Stat. 710.)