30 U.S.C. § 625 : US Code - Section 625: Prohibition of unspecified use

Search 30 U.S.C. § 625 : US Code - Section 625: Prohibition of unspecified use

Notwithstanding any other provisions of this chapter, all mining
claims and mill sites or mineral rights located under the terms of
this chapter or otherwise contained on the public lands as
described in section 621 of this title shall be used only for the
purposes specified in section 621 of this title and no facility or
activity shall be erected or conducted thereon for other purposes.