Dix, Keith. <br/><br/>
What's a coal miner to do?  The mechanization of coal mining / 
Keith Dix. 
 - Pittsburgh, Pa. :  University of Pittsburgh Press,  c1988. 
 - xi, 258 p. :  ill. 
 - Pittsburgh series in social and labor history .
<br/><br/><label>ISBN: </label>0822935856 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United Mine Workers of America--History--20th century.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal-mining machinery--Social aspects--History--United States--20th century.