Hartman, Howard L. <br/><br/>
Introductory mining engineering / 
Howard L. Hartman 
 - 2nd ed. 
 - Hoboken, NJ :  John Wilry  Sons,  2002 
 - 570 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0471348511 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining engineering