Proceedings : Volume 2 - 1974 Rapid Excavation And Tunneling Conference San Francisco, California, June 24-27, 1974 / edited by Harry C. Pattison, Elio D'Appolonia - New York : Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers, 1974 - x, 1843 pages .: graph, table, illustrations .; 23 cm

RM 89.00


Tunneling --Congresses.
Excavation --Congresses
Underground construction --Congresses.

624 / PRO 1974