30 USC CHAPTER 3, SUBCHAPTER VI: Front Matter
From Title 30-MINERAL LANDS AND MININGCHAPTER 3-LANDS CONTAINING COAL, OIL, GAS, SALTS, ASPHALTIC MATERIALS, SODIUM, SULPHUR, AND BUILDING STONESUBCHAPTER VI-LOCATION OF PHOSPHATE ROCK LANDS UNDER PLACER-MINING LAWS