Fig. 1. A sketch map of the Zhenjiang-Yangzhou reach of the Yangtze River

Fig. 2. The sandbars outside the estuary of Huaihe River on the Geographical Map of the Yangtze River

Fig. 3. Military Map of Jiangnan Corps in Jiangsu Province

Fig. 4. A sketch map of the sandbars' expansion and merger outside the estuary of the Huaihe River emptying into the Yangtze River (1570s-1868)

Fig. 5. The sandbar merging north bank on the Jiangsu Province Atlas

Fig. 6. The evolution of the Zhenjiang-Yangzhou reach of Yangtze River (1868-1971)