BUREAU OF MINES <br/><br/>
MINERALS YEARBOOK  AREA REPORTS: INTERNATIONAL 

 - 0 
 - U.S.A.  CENTENNIAL  1983 
 - 1414 pag  24 cm 
 - 0  3 .
<br/><br/>MINERAL INDUSTRY-EXPORTATIONS 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS PURAS
<br/><br/><label>Dewey Class. No.: </label>549  / B94