30 CFR § 77.1708
Safety program; instruction of persons employed at the mine.
On or before September 30, 1971, each operator of a surface coal mine shall
establish and maintain a program of instruction with respect to the safety
regulations and procedures to be followed at the mine and shall publish and
distribute to each employee, and post in conspicuous places throughout the
mine, all such safety regulations and procedures established in accordance
with the provisions of this section.
[36 FR 9364, May 22, 1971, as amended at 36 FR 13143, July 15, 1971]