Shotcrete for ground support :  proceedings of the Engineering Foundation Conference, Tidewater Inn, Easton, Maryland, October 4-8, 1976 / 
U.S. Department of Transportation ... [et al.]. 
 - New York :  American Society of Civil Engineers,  [c1977]. 
 - x, 766 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gunite--Congresses.<br/>Underground construction--Congresses.