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Secs. 103(h), 109(d) and 508, Federal Mine Safety and Health Act of 1977, Pub. L. 91-173 as amended by Pub. L. 95-164, 91 Stat. 1299 and 1310, 83 Stat. 803 (30 U.S.C. 813(h), 819(d) and 957); sec. 307, Federal Mine Safety and Health Amendments Act of 1977, Pub. L. 95-164, 91 Stat. 1322 (30 U.S.C. 801 note).
43 FR 29512, July 7, 1978, unless otherwise noted.
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