The occurrence of columbite in Nigeria
By: by R.R.E. Jacobson, A. Cawley and W.N. Macleod
Series: Occasional paper (Geological Survey of Nigeria) -- no. 9; Annual departmental reports relating to Nigeria and British Cameroons; Government publications relating to African countries prior to independence
Publisher: By authority of Nigerian Govt.
Published: 1951
Place of publication: Zaria]
Language: eng
Number of pages: 11
Notes: Bibliography: p. 11.