Glossary of mining terms
British Standards Institution
Glossary of mining terms /B. S. 3618: Section 1: 1963, Drainage - London: British Standards Institution, 1963 - 11p.
Section 3, Drainage
Drainage system
Mining Mineral industry
D 001.4:622 / K3.1-K3-
Glossary of mining terms /B. S. 3618: Section 1: 1963, Drainage - London: British Standards Institution, 1963 - 11p.
Section 3, Drainage
Drainage system
Mining Mineral industry
D 001.4:622 / K3.1-K3-