Macfarlane, A.[et al] <br/><br/>
Geology and mineral resources of northern sierra leone   
by A. Macfarlane [et al] 
 - London  Inst. Geo. Soc.  1981 
 - 103p. 
 - Overseas memoir 7 .
<br/><br/><label>ISBN: </label>011884136X 
<br/><br/><label>Dewey Class. No.: </label>556.64  / N81