Woolley, Alan Robert. <br/><br/>
Spotter's guide to rocks & minerals / 
Alan Woolley. 
 - London :  Usborne,  1978. 
 - 64 p. :  ill. ;  19 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0831774258 
<br/><br/><label>LCCN: </label>79736  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks--Collection and preservation.<br/>Minerals--Collection and preservation.