The geology of the Jos Plateau : explanation of 1:100,000 sheets nos. 147, 148, 168, 169, and 189 and 190 /
Geological Survey of Nigeria.
MacLeod, William Norman.
Turner, D. C.
Wright, E. P.(Ernest Peter)
Buchanan, Michael Stuart.
[Lagos],
1971.
V. 2 by M.S. Buchanan, W.N. MacLeod, and D.C. Turner.
In back pocket:  Maps at scale 1:100,000 & 1:250,000.
Bibliography: v. 1, p. 109-110; v. 2, p. 159.
Geology