Gwin, Max <br/><br/>
Pig trough 

 - Illinois  Watt Publishing  1993 
 - 44p.  14cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Swine<br/>Animal husbandry
<br/><br/><label>Dewey Class. No.: </label>636.40222  / GWI