43 C.F.R. § 3511.10 Do certain leases allow me to mine other commodities as well?
Title 43 - Public Lands: Interior
Yes. Sodium leases authorize you to mine potassium compounds as related products, and potassium leases authorize mining associated sodium compounds and related products. A phosphate lease allows you to use deposits of silica, limestone or other rock on the lease for use in the processing or refining of phosphate, phosphate rock, and associated minerals mined from the leased lands. You must pay royalty on these materials as specified in your lease.
Title 43: Public Lands: Interior
PART 3500—LEASING OF SOLID MINERALS OTHER THAN COAL AND OIL SHALE
Subpart 3511—Lease Terms and Conditions
§ 3511.10 Do certain leases allow me to mine other commodities as well?
