Carte d'une partie de la Cote de Cochinchine: depuis l'Isle Cham-Collao jusqu'à la Riv. du Roi
1775
Vietnam
A map to aid navigation around the Bay of Touranne (Bay of Turon, location of modern city of Da Nang, Vietnam). The web of lines is a rhumbline network, and bathymetry (sea depth), anchor points and two elevation views of the coasts are shown.