North East Nigeria. Land Systems. Map 6b. D.O.S. (LR) 3040B.

Registration is requested: 
No
Continent: 
Country: 
Nigeria
Author: 
Bawden, M.G., Caroll, D.M., Tuley, P.
Publisher: 
The Nigeria Government by the British Government's Ministry of Overseas Development (D.O.S.), under the Special Commonwealth African Assistance Plan.
Year: 
1970
Language: