DAVIDSON John Ed. <br/><br/>
Conservation and agriculture 

 - Chichester  John Wiley & Sons U S A      1977 
 - xii,252p.  cm. 
<br/><br/> Index:P246-52 
<br/><br/><label>ISBN: </label>0471995029 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural Geography
<br/><br/><label>Dewey Class. No.: </label>U672(J).3.N7, L7