HUGHES v. NATIONAL COAL BOARD

July 28, 1971 Mines and quarries — Act of 1954 — Duty to set holing supports — Whether applicable to prop free face cut by shearer machine — Common law duty of care — Technical mining knowledge and experience — Relevant date for considering — Whether at date of accident — Mines and Quarries Act, 1954 (2 & 3 Eliz. II, c.70), s.81(l) — Coal and Other Mines (Support… Regulations), 1956 (S.I.1956 No. 1763), reg. 10(1)