Earth resources 
edited by Charles F. Park 
 - America  Voice of America forum lectures  1975 
 - 349p. 
<br/><br/><label>ISBN: </label> [] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography<br/>Soil formation
<br/><br/><label>Dewey Class. No.: </label>551.305  / EAR