Proceedings of the symposium on shaft sinking and tunnelling : Olympia, London, 15th, 16th and 17th July, 1959.
By: Symposium on Shaft Sinking and Tunnelling (1959 : London) Symposium on Shaft Sinking and Tunnelling (1959 : London) Symposium on Shaft Sinking and Tunnelling (1959 : London).
Contributor(s): Institution of Mining Engineers (Great Britain).
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Includes bibliographical references and index.
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