Erdmann, C. E.  1897- <br/><br/>
The Book Cliffs coal field in Garfield and Mesa counties, Colorado, 
by Charles E. Erdmann. 
 - Washington,  U.S. Govt. print. off.,  1934. 
 - vi, 150 p.  incl. illus., tables. 21 pl. (incl. fold. col. map (in pocket) fold. diagrs.)  23 1/2 cm. 
 - U.S. Geological survey.  Bulletin 851 .
<br/><br/> At head of title: United States Department of the interior. 
<br/><br/>Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>gs 35000084  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mines and mining--Colorado.<br/>Geology--Colorado.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 851 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.3:851