Reports of H.M. Inspectors of Mines and Quarries under the Health and safety at work, etc, act, 1974.
Great Britain.Mines and Quarries Inspectorate.
Great Britain.Health and Safety Executive.
London : H.M. Stationery Off.,
1976.
Issued by: Health and Safety Executive.
Great Britain. Mines and Quarries Inspectorate.
Mine inspection
Reports of H.M. Inspectors of Mines and Quarries under the Mines and quarries act 1954. South Wales district
Health and safety. South Wales District