Worcester, Philip G.  1884- <br/><br/>
Molybdenum deposits of Colorado,  with general notes on the molybdenum industry, 
by P. G. Worcester. 
 - Denver, Colo.,  Eames bros., state printers,  1919. 
 - vii, [1], 131 p.  illus.  23 cm. 
<br/><br/>Bibliography: p. 120-123. 
<br/><br/><label>LCCN: </label>gs 19000331  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Molybdenum--Colorado.
<br/><br/><label>LC Class. No.: </label>QE91  / .A4 no. 14