Survey of metallic and non-metallic minerals, phase 2 :  republic of Ecuador :  The Ger silver prospect 

 - New York :  United nations development programme,  1972 
 - 24 p: 9 :  ill., 9 cartes h. t., graph., ann. 
 - Technical report, 9 .
<br/><br/>bibliogr. p. 13 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minéralisation<br/>Argent
<br/><br/><label>Subjects--Index Terms: </label>Equateur  Cañar