Pough, Frederick H. <br/><br/>
A field guide to rocks and minerals / 
Frederick  H. Pough. 
 - 4th ed. 
 - Boston :  Houghton Mifflin,  1976. 
 - xix, 317 p. :  ill. ;  19 cm. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0395081068 
<br/><br/><label>LCCN: </label>7522364  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy, Determinative.<br/>Rocks.