The Nigerian coalfield: the geology of parts of Onitsha, Owerri and Benue Provinces.
Simpson, A.
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. .
gs 56000024
Coal--Nigeria.
Geology--Nigeria.
TN810.N5 / S5
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. .
gs 56000024
Coal--Nigeria.
Geology--Nigeria.
TN810.N5 / S5