Map shows: international, provincial, Nigeria-Cameroons, divisional, native court areas and tribal boundaries; lighthouses; customs stations; missions; native courts; four classes of roads, railways; telegraph lines; wireless stations; government medical stations; forest reserves; Trust Territory administered as part of Benue and by part of Adamawa. Native court areas and tribal areas are indicated by number. "1850/15/3-54" Original maps is filed in the Map/Geospatial Center, map reproduction ise attached to companion volume.