RETURN EARTH SCIENCES LIBRARY 



p-thTri.nces Bldq. 642-2997 



ALL BOOKS MAY BE RECALLED AFTER 7 DAYS 

 Books needed for class reserve are subject to immediate recall 



DUE AS STAMPED BELOW 



UNIVERSITY OF CALIFORNIA, BERKELEY 

 FORM NO. DD8, 7m, 12/80 BERKELEY, CA 94720 ^ 



