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title 30
Mineral Resources
chapter I
CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
part 57
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
subpart C
Subpart C—Fire Prevention and Control
subjgrp 153
Ventilation Control Measures
Subjgrp 153. Ventilation Control Measures
§ 57.4760 - Shaft mines.
§ 57.4761 - Underground shops.
