Until the end of Ming Dynasty (before 1644)

Bohaiwan Quanxinshi hai qin shiyitu 渤海湾全新世海侵示意图 [Schematic diagram of the Holocene transgression in Bohai Bay]

Tianjin cheng lu ji beike di, mu bian tan ceng fenbu shiyitu 天津成陆及贝壳堤、牡蝙滩层分布示意图 [Schematic diagram of Tianjin Chenglu and Beike dikes, and Mutian beach]

XiHan shiqi Bohaiwan xibei an zhu shui shiyitu 西汉时期渤海湾西北岸诸水示意图 [Schematic diagram of the waters on the northwestern coast of the Bohai Bay during the Western Han Dynasty]

Han mo Tianjin diqu wa dian shiyitu 汉末天津地区洼淀示意图 [Schematic diagram of the swamp in Tianjin area in the end of Han Dynasty]

Han mo Haihe shuixi chubu xingcheng shiyitu 汉末海河水系初步形成示意图 [Preliminary diagram of the initial formation of the Haihe River system in the late Han Dynasty]

WeiJin Piaoyuyi yizhi ji shuixi huanjing shiyitu 魏晋漂榆邑遗址及水系环境示意图 [Piaoyuyi site and water system environment during the Wei and Jin dynasties]

Suidai Yongji qu de kaizao ji Haihe shuixi xingcheng shiyitu 隋代永济渠的开凿及海河水系形成示意图 [Schematic diagram of the excavation of the Yongji Canal in the Sui Dynasty and the formation of the Haihe River system]

Tangdai shuiyun shuniu junliang cheng ji fujin shuixi shiyitu 唐代水运枢纽军粮城及附近水系示意图 [Schematic diagram of the hub for army provisions waterbone transport during the Tang Dynasty and its nearby water system]

Jiehe nanbei Song, Liao duizhi shiyitu 界河南北宋、辽对峙示意图 [Schematic diagram of the frontier river between the Song and Liao dynasties]

Jindai caoyun ji Xinan haiba, Zhiguzhai shiyitu 金代漕运及信安海壖、直沽寨示意图 [Schematic diagram of the waterbone transport and Xinan dyke of Zhigu village during the Jin dynasty]

Yuandai DaYunhe ji hai jin zhen shiyitu 元代大运河及海津镇示意图 [Schematic diagram of the Grand Canal and the ocean in Tianjin village during the Yuan Dynasty]
