Berryhill, Louise R. <br/><br/>
Coking-coal deposits of the western United States, 
by Louise R. Berryhill and Paul Averitt. 
 - [Washington]  1951. 
 - i, 20 p.  map., diagr.  27 cm. 
 - Geological Survey circular  90 .
<br/><br/> Cover title. 
<br/><br/>"References": p. 19-20. 
<br/><br/><label>LCCN: </label>gs 51000256  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coking coal--United States
<br/><br/><label>LC Class. No.: </label>QE75  / .C5 no. 90