Lewis, Robert Strong,  1882- <br/><br/>
Mining, the priceless heritage / 
by Robert Strong Lewis. 
 - Salt Lake City :  Extension Division, University of Utah,  1939. 
 - 36 p. ;  23 cm. 
 - Bulletin of the University of Utah ;  v. 29, no. 4 Third annual Frederick William Reynolds memorial lecture .
 - University of Utah.  Bulletin ;  v. 29, no. 4. .
 - Frederick William Reynolds memorial lecture ;  [no.] 3. .
<br/><br/> At head of title: Extension Division, University  of Utah. 
<br/><br/><label>LCCN: </label>e  39000094  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries.<br/>Mines and mineral resources.
<br/><br/><label>LC Class. No.: </label>TN155  / .L4