River studies and recommendations on improvement of Niger and Benue.
Subtitle: River charts of the Niger from Burutu to Jebba and the Benue from Lokoja to Garua.  Niger and Benue investigation, final report 1959.
Publisher: NEDECO
Published: 1959
Place of publication: The Hague
Language: eng
Number of pages: 64
Subjects: Niger River.; Benue River (Cameroon and Nigeria)