The geology of parts of Niger and Zaria Provinces, Northern Nigeria
Subtitle: explanation of 1:250,000 sheet no. 31
By: by J.F. Truswell and R.N. Cope
Contributors: Cope, Roderick Neville, author
Series: Bulletin (Geological Survey of Nigeria) -- no. 29; Bulletin (Geological Survey of Nigeria) -- no. 29.
Published: 1963
Place of publication: [Lagos]
Language: eng
Number of pages: 52
Subjects: Geology; Maps
Notes: Bibliography: p. 41.