Young, John E <br/><br/>
Mining the earth 

 - Washington, D C  Worldwatch institute  1992 
 - 53p.; 18cm. 
 - Worldwatch paper .
<br/><br/><label>ISBN: </label>1878071114 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Global economy<br/>Miner<br/>Minerals<br/>Minerals