The Secretary of the Interior is hereby authorized and directed, 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 sulphur in lands belonging to the United States located in the States of Louisiana and New Mexico for a period of not exceeding two years: Provided, That the area to be included in such a permit shall be not exceeding six hundred and forty acres of land in reasonably compact form.
(Apr. 17, 1926, ch. 158, §1,
Section was not enacted as part of act Feb. 25, 1920, ch. 85,
1932-Act July 16, 1932, substituted "States of Louisiana and New Mexico" for "State of Louisiana".