Rule 151 — Duties of leader below ground.
151(3)
If the atmosphere is clear, the leader shall, when passing the junction of two or more roadways, clearly indicate the route by means of arrow marks in chalk.
Rule 151 — Duties of leader below ground.
If the atmosphere is clear, the leader shall, when passing the junction of two or more roadways, clearly indicate the route by means of arrow marks in chalk.
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