Grahm, Ian <br/><br/>
Rocks :  a resource our world depends on / 
Ian Graham. 
 - 1st ed. 
 - Chicago, IL :  Heinemann Library,  2005. 
 - 32p. 
 - Managing our resources. .
<br/><br/><label>ISBN: </label>1403456178 
<br/><br/><label>LCCN: </label>2004005908 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks.