30 CFR § 77.1004 Ground control; inspection and maintenance; general.
(a) Highwalls, banks, benches, and terrain sloping into the working
areas shall be examined after every rain, freeze, or thaw before men work in
such areas, and such examination shall be made and recorded in accordance
with §77.1713.
(b) Overhanging highwalls and banks shall be taken down and other
unsafe ground conditions shall be corrected promptly, or the area shall be
posted.
