Proceedings /

Wedi'i Gadw mewn:

Manylion Llyfryddiaeth
Awduron Corfforaethol:	North American Rapid Excavation and Tunneling Conference San Francisco, Calif., American Society of Civil Engineers, American Institute of Mining, Metallurgical, and Petroleum Engineers
Awduron Eraill:	D'Appolonia, Elio, 1918-, Pattison, Harry C.
Fformat:	Trafodyn Cynhadledd Llyfr
Iaith:	English
Cyhoeddwyd:	New York : Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers, 1974.
Pynciau:	Tunneling > Congresses. Excavation > Congresses. Underground construction > Congresses.

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