Section, Pub. L. 93–153, title IV, § 405, Nov. 16, 1973, 87 Stat. 590, provided for appointment by the President of head of Mining Enforcement and Safety Administration.

Repeal effective 120 days after Nov. 9, 1977, see section 307 of Pub. L. 95–164, set out as an Effective Date of 1977 Amendment note under section 801 of Title 30, Mineral Lands and Mining.