Directorio minero de Colombia 1994 

 - Bogotá  MININCO  1994 
 - 112 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DIRECTORIOS<br/>MINERIA
<br/><br/><label>Subjects--Geographic Terms: </label><br/>COLOMBIA
<br/><br/><label>Universal Decimal Class. No.: </label>R/622(058.7)(861)/D