Sketch of works before Phu-sa, showing position of troops at 3 p.m. on the 14th Dec 1883, before the assault
1883
Vietnam
Map of Phu-Sa, a village to the northeast of the city of Sơn Tây (Vietnam), during the Tonkin campaign. It shows French troop positions (on the right, in red) before they attacked the defences of the China-backed Black Flag Army at Phu-Sa