Chilwa Island, Nyasaland.
Garson, M. S.(Magnus Sinclair)
Great Britain.Directorate of Colonial Surveys.
[Tolworth? : Directorate of Colonial Surveys,
1957]
Relief shown by contours and spot heights.
"Geologically surveyed by M.S. Garson, 1952-55."
"This map accompanies Memoir no. 1 of the Geological Survey Dept., Nyasaland."
"Drawn and photographed by Directorate of Colonial Surveys from material supplied by the Geological Survey Dept., Nyasaland. Printed by G.S.G.S. 1957."
Geology