Coal information report. 

 - 375 pages :  illustrations ;  24 cm 
<br/><br/>
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal--Statistics.<br/>Coal
<br/><br/><label>LC Class. No.: </label>TN800  / .C63 1983