Stability of rock slopes :  proceedings, thirteenth Symposium on Rock Mechanics, held at the University of Illinois, Urbana, Illinois, August 30-September 1, 1971 / 
edited by Edward J. Cording. 
 - New York :  American Society of Civil Engineers,  1972. 
 - ix, 912 p. :  ill. 
<br/><br/> "Symposium sponsored by the U.S. National Committee for Rock Mechanics of the National Academy of Sciences-National Academy of Engineering and the University of Illinois. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rock slopes.