Rapid Excavation and Tunneling Conference, San Francisco, California, June 24-27, 1974 :  proceedings / 
editors, Harry C. Pattison, Elio D'Appolonia. 
 - New York :  American Institute of Mining, Metallurgical, and Petroleum Engineers,  1974. 
 - 2 v. :  ill. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>92023114 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunneling--Congresses.<br/>Excavation--Congresses.<br/>Underground construction--Congresses.
<br/><br/><label>Dewey Class. No.: </label>624  / .19