Ries, Heinrich <br/><br/>
Economic geology 
by H. Ries ... 
 - 7th ed. 
 - New York  London  J. Wiley & Sons, inc.  Chapman & Hall, limited  1937. 
 - vii, 720 p.  illus., maps (1 double) diagrs.  24 cm. 
<br/><br/>Includes "References." 
<br/><br/><label>LCCN: </label>37031905  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Economic.<br/>Mines and mineral resources--United States.
<br/><br/><label>LC Class. No.: </label>TN23  / .R53 1937 
<br/><br/><label>Dewey Class. No.: </label>553