Explanatory note mineral map of Africa 

 - Paris :   UNESCO,  1969. 
 - 18p.  : ill.   ; 27cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and minerals<br/>Africa
<br/><br/><label>LC Class. No.: </label>PAM QTO QE383.U5