Burns, Daniel <br/><br/>
The modern practice of coal mining :  drills and drilling and coal cutting machinery. 

 - London :  Pitman,  1907. 
 - 174 p. :  il. ;  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minería<br/>Carbón<br/>Explotación minera
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>622.333