Regulations last checked for updates: Jun 18, 2019

Title 30 - Mineral Resources last revised: Jun 10, 2019
authority: Sec. 202, Pub. L. 97-451, 96 Stat. 2457 (30 U.S.C. 1732)
source: 49 FR 37348, Sept. 21, 1984, unless otherwise noted. Redesignated at 75 FR 61087, Oct. 4, 2010.