Aurand, Harry A. <br/><br/>
Fluorspar deposits of Colorado, 
by Harry A. Aurand. 
 - Denver, Col.,  Eames brothers, state printers,  1920. 
 - 94 p.  incl. illus., map., tab., diagr.  23 cm. 
<br/><br/> At head of title: Colorado Geological survey, Boulder... 
<br/><br/>"Bibliography of Colorado fluorspar": p. 87-88. "Bibliography of fluorspar in the United States": p. 89-91. Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>gs 20000433  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Colorado.<br/>Fluorspar.
<br/><br/><label>LC Class. No.: </label>QE91  / .A4 no. 18