Coffin, Reuben Clare,  1886- <br/><br/>
Radium, uranium and vanadium deposits of southwestern Colorado, 
by R. C. Coffin. 
 - Denver, Col.,  Eames brothers, state printers,  1921. 
 - 231 p.  incl. illus., maps, tables.  and 3 fold. maps. in separate pocket.  23 cm. 
<br/><br/>Bibliography : p. 226-227. Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>gs 21000187  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radium.<br/>Uranium.<br/>Vanadium.<br/>Mines and mineral resources--Colorado.
<br/><br/><label>LC Class. No.: </label>QE91  / .A4 no. 16