Hodges, Carroll A. <br/><br/>
Colombian mineral resource assessment 

 - Reston, VA  U.S. Geological Survey  1986 
 - p. 259 
 - U.S. Geological Survey. Circular,  n.980 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>EVALUACION<br/>GEOLOGIA ECONOMICA<br/>RECURSOS MINERALES
<br/><br/><label>Subjects--Geographic Terms: </label><br/>COLOMBIA