Croquis de reconnaissance des régions Sahariennes 1:500,000 /
Service géographique de l'Afrique Occidentale française á Dakar.
French West Africa.
Dakar : Service Géographique de l' A.O.F. á Dakar,
1937-
Maps have individual titles and location maps.
Printed in sepia.
Relief shown by hachures and contour lines.
References shown with dates for each source.
Maps are interfiled with later eds. titled: Carte de l'Afrique de l'Ouest à 1/500 000.