Survey of metallic and non - metallic minerals 

 - Quito:  UNDP,  1969 
 - 59 p.  ilustraciones. 
<br/><br/>05026 
<br/><br/>This technical report deals both with the geological investigations and assessment of coal deposits in the operation area n.1 - Azuay and Loja. Work described in this report was initiated in May 1965 and terminated in March 1986. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Carbón<br/>Minas
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Ecuador
<br/><br/><label>Dewey Class. No.: </label>662.73  / U564