Lee, Willis T.  1864-1926. <br/><br/>
Coal fields of Grand Mesa and the West Elk Mountains, Colorado, 
by Willis T. Lee. 
 - Washington,  Government print. off.,  1912. 
 - 237 p.  illus., plates, map (in pocket) diagrs.  24 cm. 
 - U.S. Geological survey. Bulletin 510 .
<br/><br/> At head of title: Department of the Interior.  Title vignette. 
<br/><br/><label>LCCN: </label>gs 12000336  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mines and mining--Colorado.<br/>Coal--Colorado.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 510