The canadian system of soil classification 

 - Ottawa, Canada :  Department of Agriculture,  1983 (c.1977) 
 - 164 p.  : ilus. 
<br/><br/><label>LCCN: </label>72591 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Canadá--Suelos.<br/>Suelos--Canadá.<br/>Suelos--Clasificación.
<br/><br/><label>Dewey Class. No.: </label>631.44  / C3