30 U.S.C. § 214 : US Code - Section 214: Use of surface of other public lands; acreage; forest lands exception

Search 30 U.S.C. § 214 : US Code - Section 214: Use of surface of other public lands; acreage; forest lands exception

The holder of any lease or permit issued under the provisions of
sections 211 to 214 of this title shall have the right to use so
much of the surface of unappropriated and unentered public lands
not a part of his lease or permit, not exceeding eighty acres in
area, as may be determined by the Secretary to be necessary or
convenient for the extraction, treatment, and removal of the
mineral deposits, but this provision shall not be applicable to
national forest lands.