Itinéraire de Hanoi à That-khe par Lang-son (Frontière Chinoise du Kouang-Si)
1881
Vietnam
A late 19th century map depicting a route from Hanoi to That-Khe via Lang-Son (in northern Vietnam, near the border with China at Kouang-Si (Guangxi)). Two inset maps feature plans of military forts, villages, rivers and fields along the route.