Survey of metallic and non-metallic minerals, phase 2 :  republic of Ecuador :  Exploration for metallic minerals in southern Ecuador (operation N 8, Loja-El Oro) follow-up evaluation of geochemical anomalies 

 - New York :  United nations development programme,  1972 
 - 69 p: :  carte, 2 carte h. t., tab., ann., ann. 
 - Technical report, 14 .
<br/><br/>bibliogr. p. 52, 2 . t 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Géochimie<br/>Minéralisation
<br/><br/><label>Subjects--Index Terms: </label>Equateur  Loja Ecuador  El Oro