280с
UNDERGROUND PRACTICE IN MINING
BY
BERNARD BERINGER
Associate Camborne. School of Mines ; Associate the Institution of Mining and Member Chemical, Metallurgical, and Mining Society of South rMember American Institute of Mining and Metallurgical Engineers ; '" of the Royal Society of Arts ; Certificated Mine Manager and Certificated Mine Overseer, Union of South Africa.
SECOND EDITION
REVISED AND ENLARGED
MINING... (More)