Canada's natural environment :  essays in applied geography / 
edited by G. R. McBoyle and E. Sommerville. 
 - Toronto :  Methuen,  1976. 
 - viii, 264 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0-458-91930-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy--Canada