Simpson, A. <br/><br/>
The Nigerian coalfield:  the geology of parts of Onitsha, Owerri and Benue Provinces.  

 - [Zaria]  Nigerian Govt.,  1954. 
 - viii, 85 p.  illus., maps (part fold., part col., 4 in pocket) diagrs., tables.  25 cm. 
 - Geological Survey of Nigeria.  Bulletin ;  no. 24. .
<br/><br/><label>LCCN: </label>gs 56000024  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal--Nigeria.<br/>Geology--Nigeria.
<br/><br/><label>LC Class. No.: </label>TN810.N5  / S5