The Geology of Lokoja-Auchi area : explanation of 1: 250,000 sheet 62 /
Hockey, R. D.
Nigeria.Ministry of Mines and Power.
[Lagos] : Published by authority of the Federal Government of Nigeria,
1986.
At head of title: Federal Republic of Nigeria, Ministry of Mines, Power, and Steel.
In back pocket: Geological map at scale 1:250,000.
Bibliography: p. 71.
Geology
Geology