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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 N
Subpart N—Personal Protection
subjgrp 191
Underground Only
Subjgrp 191. Underground Only
§ 57.15030 - Provision and maintenance of self-rescue devices.
§ 57.15031 - Location of self-rescue devices.
