Hall, J.M. <br/><br/>
A handbook on basic conservation and land use principles 

 - Zomba  Ministr of Agriculture & Natural Resources   1966 
 - 134p.:  fig. tabs. 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>631.4