30 U.S.C. § 261 : US Code - Section 261: Prospecting permits; lands included; acreage

Search 30 U.S.C. § 261 : US Code - Section 261: Prospecting permits; lands included; acreage

The Secretary of the Interior is hereby authorized, under such
rules and regulations as he may prescribe, to grant to any
qualified applicant a prospecting permit which shall give the
exclusive right to prospect for chlorides, sulphates, carbonates,
borates, silicates, or nitrates of sodium, in lands belonging to
the United States for a period of not exceeding two years:
Provided, That the area to be included in such a permit shall not
exceed two thousand five hundred and sixty acres of land in
reasonably compact form.