30 U.S.C. § 284 : US Code - Section 284: Lands containing coal or other minerals in addition to potassium deposits; issuance of prospecting permits and leases; covenants in potassium leases

Search 30 U.S.C. § 284 : US Code - Section 284: Lands containing coal or other minerals in addition to potassium deposits; issuance of prospecting permits and leases; covenants in potassium leases

Prospecting permits or leases may be issued under the provisions
of this subchapter for deposits of potassium in public lands, also
containing deposits of coal or other minerals, on condition that
such other deposits be reserved to the United States for disposal
under appropriate laws: Provided, That if the interests of the
Government and of the lessee will be subserved thereby, potassium
leases may include covenants providing for the development by the
lessee of chlorides, sulphates, carbonates, borates, silicates, or
nitrates of sodium, magnesium, aluminum, or calcium, associated
with the potassium deposits leased, on terms and conditions not
inconsistent with the sodium provisions of subchapter VII of this
chapter: Provided further, That where valuable deposits of mineral
now subject to disposition under the general mining laws are found
in fissure veins on any of the lands subject to permit or lease
under this subchapter, the valuable minerals so found shall
continue subject to disposition under the said general mining laws
notwithstanding the presence of potash therein.