Underground Transport and Communication in Collieries South African Institute of Mining and Metallurgy Published: 1983 Total Pages: 740 Get eBook
Journal of the South African Institute of Mining and Metallurgy South African Institute of Mining and Metallurgy Published: 1983 Total Pages: 456 Get eBook
Colliery Guardian, and Journal of the Coal and Iron Trades Published: 1920 Total Pages: 936 Get eBook
Annual Report and Achievements - Mining Enforcement and Safety Administration United States. Mining Enforcement and Safety Administration Published: 197? Total Pages: 100 Get eBook
