Stefanko, Robert  <br/><br/>
Coal mining technology:   theory and practice/  
Robert Stefanko; editor Christopher J. Bise 
 - 
 - New York:   Society of mining engineers,   1983. 
 - xiv, 410p.:  ill. 
<br/><br/>Includes bibligraphical references and index 
<br/><br/><label>ISBN: </label>0895204045 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mines and mining
<br/><br/><label>LC Class. No.: </label>TN 805 STE 1983