Olson, Gerald W. <br/><br/>
Soils and the environment ; a guide to soil surveys and their applications 

 - New York :  Chapman,  1981 
 - 178 p.  : ilus. 
<br/><br/><label>LCCN: </label>34927 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos--Topografía.
<br/><br/><label>Dewey Class. No.: </label>631.47  / O5