This image is a derivative work of the following images: File:Nigeria_relief_location_map.jpg licensed with Cc-by-sa-3.0, GFDL 2010-12-09T15:07:30Z Uwe Dedering...
naturalearthdata.com. Date 9 December 2010 Source Own work Author Uwe Dedering Other versions Derivative works of this file: Kainji Lake within Nigeria.jpg...
