《明史·列传·卷一百九十九》
唐朝时，大渡河水流平广，可通漕运，戍将一旦失守，则黎州、雅州、邛州、嘉州、成都都会动摇。
唐时，河平广可通漕，戍将一不守，则黎、雅、邛、嘉、成都皆动摇。
During the Tang Dynasty, the Daduhe River had a wide and flat flow, which could pass through water transportation. Once the garrison was lost, Lizhou, Yazhou, Qiongzhou, Jiazhou, and Chengdu would be shaken.