Mini ng in Canada Canadian Institute of Mining and Metallurgy Commonwealth Mining and Metallurgical Congress (6th : 1957 ) Vancouver, B.C text Canada Northern Miner Press Ltd. 1957 monographic eng
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xiii, 597 pages .: maps,graph, illustrations .; 29 cm arranged by a committee of the Metal Mining and Coal Divisions, Canadian Institute of Mining and Metallurgy. 6th Commonwealth Mining and Metallurgical Congress, Canada, 1957." "Congress volume, 1957." Includes bibliographical references Mining engineering Congresses Canada Mines and mineral resources Congresses Canada 622.0971 MIN 1957 260810 20260810103336.0 0000000757 Eng