Relief shown by contours and gradient tints. Map shows: international, provincial, Nigeria-Cameroons, divisional, and district boundaries; headquarters provincial and divisional, customs stations, three classes of roads, railways, lighthouses, telegraph lines, wireless stations, and native courts. The territory of the Cameroons under the United KIngdom trusteeship consisted of two mountainous strips on the eastern frontier of Nigeria, extending from Lake Chad to the Atlantic Ocean. It is divided by a strech of approximately 45 miles into north and south by the Benue River. Original maps is filed in the Map/Geospatial Center, map reproductions is attached to companion volume. "Crown copyright reserved" .