Scope and Contents (7) ; D.W.4580.- ; A competitor crossing the pontoon bridge.  The River Ogun is 120 feet wide and 12 feet deep at this spot.  The weeds seen to the right of the bridge cover the deepest part.  One mistake at this stage would have been very disastrous. ; ISSUED BY THE WEST AFRICAN PHOTOGRAPHIC SERVICE, REGIONAL INFORMATION OFFICE, ACCRA, GOLD COAST, BRITISH WEST AFRICA.--Recto ; WEST AFRICAN PHOTOGRAPHIC SERVICE OF THE  REGIONAL INFORMATION OFFICE; P.O. Box 555 ; ACCRA GOLD COAST WEST AFRICA...