Haw, Richard C. <br/><br/>
The conservation of natural resources 

 - London :  Faber and Faber,  1959 
 - 255 p.  : ilus. 
<br/><br/><label>LCCN: </label>12387 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Conservacion.<br/>Suelos--Conservación.
<br/><br/><label>Dewey Class. No.: </label>631.45  / H38