Geological map of the western cordillera of northern Peru - south sheet  [material cartográfico] 

, Escala: 1:500,000 
 - Lima :  Directorate of overseas surveys(DOS) ,  1973 
<br/><br/> 2 exemplaires 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Géologie
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Pérou