Paul, Wolfgang <br/><br/>
Mining lore. 

 - Portland :  Morris Printing,  1971. 
 - 940 p. :  il. ;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minería<br/>Historia
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>622(091)