30 U.S.C. § 611

United States Code, 2018 Edition

Title 30 - MINERAL LANDS AND MINING

CHAPTER 15 - SURFACE RESOURCES

SUBCHAPTER II - MINING LOCATIONS

Sec. 611 - Common varieties of sand, stone, gravel, pumice, pumicite, or cinders, and petrified wood

From the U.S. Government Publishing Office,