Pough, Frederick H. <br/><br/>
Peterson first guides to rocks and minerals 

 - Boston, MA  Houghton Mifflin Company  1991 
 - 128 p. 
<br/><br/> D., 10/99 
<br/><br/><label>ISBN: </label>0-395-56275-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy--Determinative<br/>Rocks