Butler, Mosher D. <br/><br/>
Conserving soil / 
Mosher D. Butler 
 - New Jersey :  Van Nostroand ,  1955 
 - x,321 p. :  ill, map ;  23 cm 
<br/><br/><label>ISBN: </label> Rs.17.33np 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation