Geochemical exploration :  proceedings, 3rd International Geochemical Exploration Symposium, Toronto, April 16-18, 1970 /  
sponsored by the geology Division, CIM, and the society of economic geologists ; technical editor R. W. Boyle and production editor J. I. McGerrigle. 
 - Canada:   The Canadian institute of mining and metallurgy,   1971.  
 - v. 11 :  ill., maps, tables ;  28 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geochemical prospecting--Congresses
<br/><br/><label>Dewey Class. No.: </label>622.13