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).
Material type:
BookPublisher: London : Institution of Mining Engineers, c1960Subject(s): Shaft sinking -- Congresses. -- Shaft sinking -- Congresses | Tunneling -- Congresses. -- Tunneling -- Congresses
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