Geological field-trips, Colombia 1980-1989 

 - Bogotá  GEOTEC  1992 
 - 337 p.  ilus., maps., tbls. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESTRATIGRAFÍA<br/>GEOLOGIA DE CAMPO<br/>GEOLOGIA LOCAL<br/>GEOLOGIA REGIONAL
<br/><br/><label>Subjects--Geographic Terms: </label><br/>COLOMBIA
<br/><br/><label>Universal Decimal Class. No.: </label>550.8(861)/A81