UNITED STATES DEPARTMENT OF THE INTERIOR <br/><br/>
MINERALS YEARBOOK 1939 

 - 0 
 - WASHINGTON-USA  U.S.GOVERNM.PRINT.OFFICE  1939 
 - 1437 pag.  24 cm 
 - 0  0 .
<br/><br/>ESTADISTICA-MINERALES/ILUSTRACIONES-MAPAS 
<br/><br/><label>Subjects--Topical Terms: </label><br/>OBRAS GENERALES
<br/><br/><label>Dewey Class. No.: </label>050.549  / U61