King, Basil Charles. <br/><br/>
The geology of the Osi area, Ilorin Province, 
by B.C. King and A.M.J. de Swardt. 
 - [Kaduna]  1949. 
 - 92 p.  illus., maps (1 fold. in pocket)  26 cm. 
 - Nigeria. Geological Survey. Bulletin  no. 20 .
 - Bulletin (Geological Survey of Nigeria) ;  no. 20. .
<br/><br/> One folded map in pocket. 
<br/><br/>"List of works to which reference is made": p. 63-65. 
<br/><br/><label>LCCN: </label>gs 51000007  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Nigeria--Ilorin (Province)<br/>Petrology--Nigeria--Ilorin (Province)
<br/><br/><label>LC Class. No.: </label>QE327.N5  / K5 
<br/><br/><label>Dewey Class. No.: </label>556.69