Coal age operating handbook of coal preparation / 
edited by Paul C. Merritt. 
 - New York :  Coal Age Mining Informational Services,  c1978. 
 - vi, 311 p. :  ill. 
 - Coal age library of operating handbooks ;  v. 3 .
<br/><br/> Articles first published in Coal age and in Keystone coal industry manual. 
<br/><br/><label>ISBN: </label>0070999228 :  $19.50 
<br/><br/><label>LCCN: </label>90042050     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal preparation--Handbooks, manuals, etc.