Gale, Hoyt S.  1876- <br/><br/>
Coal fields of northwestern Colorado and northeastern Utah, 
by Hoyt S. Gale. 
 - Washington,  Govt. print. off.,  1910. 
 - 265 p.  illus., 22 pl. (part fold. incl. maps, tables) diagrs.  24 cm. 
<br/><br/> Five folded maps in pocket. 
<br/><br/><label>LCCN: </label>gs 10000342  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mines and mining--Colorado.<br/>Coal mines and mining--Utah.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 415