Cvancara, Alan M. <br/><br/>
A field manual for the amateur geologist :  tools and activities for exploring our planet / 
Alan M. Cvancara 
 - Rev. ed. 
 - New York :  John Wiley & Sons,  1995 
 - 335 p. :  ill. ;  20 cm. 
<br/><br/> Includes bibliogrpahical references and index 
<br/><br/><label>ISBN: </label>047104430X  RM56.29 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Guidebooks