Hudson Norman <br/><br/>
Soil conservaiton 

 - London  Batsford UK           1971 
 - 320p. Bib at the end of each chapter,Appendix p. 303-05  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J:1:7), L1