Small surface coal mine operators handbook 

 - Washington, D.C. :  United States Government Printing Office,  1979 
 - Various pagings ;  25 cm. 
 - Operators handbook ;  54 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mining<br/>Small surface--Coal mining
<br/><br/><label>Dewey Class. No.: </label>622.334