Sierra Leone 1:16,000 (Approx) sketch map : Rhombe.
Great Britain.Directorate of Overseas Surveys.
Fairey Air Surveys Ltd.
[Tolworth] : Directorate of Overseas Surveys,
1959.
Upland areas shown by shading.
Includes reliability diagram, index to adjoining sheets, areal scale and sheet history.
Shows: railways, roads, tracks, buildings, swamps.
"Air photography by Fairey Air Surveys Ltd., January 1958".
Rhombe area (swamp), Sierra Leone.