Beyschlag, F. <br/><br/>
The deposits of the useful minerals & rocks :  their origin, form, and content. 

 - London :  MacMillan,  1914. 
 - 2 v. :  il. ;  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología económica<br/>Recurso minero
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>553.2