United States Code Title 30 — Mineral Lands and Mining § 645. Repealed. Pub. L. 93–608, § 1(13), Jan. 2, 1975, 88 Stat. 1969 § 645. Repealed. Pub. L. 93–608, § 1(13), Jan. 2, 1975, 88 Stat. 1969