Butler, M D <br/><br/>
Conserving soil / 
Butler, M D 
 -  Affiliated East-West Press Pvt. Ltd., New Delhi,  1969 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science; Agriculture
<br/><br/><label>Dewey Class. No.: </label>631.4 BUT-C