Colonie du Sénégal. Direction des Travaux Publics. Instructions nautiques du fleuve Sénégal d'après les travaux de la mission de balisage, 1906-1907-1908

First edition, illustrated with 69 full-page color plates.

Published under the authority of the Governor General of French West Africa, Mr. W. Ponty.

Includes a double-page general map of the buoyed section of the Senegal River, plans of the ports of Saint-Louis and Kayes, four signaling plates, examples of river marking, a flood gauge, and a detailed chart of the buoyage system across 57 plates, all in color.

Spine warped with black stains at midsection, a few small spots of foxing, black stains along the left margin of the lower cover with minor corner losses.