《徐霞客游记·楚游日记十二》
溪流西面有一条溪水，又从应龙桥流来相会，三条水汇合便能行船，往北航行大约二十里到宁远县城。过了下观，才离开箫韶水，路折往东南。
其西一溪，又自应龙桥来会，三水合而胜舟，过下观，始与萧韶水别，路转东南向。
To the west of the stream, there is another stream, and then flows from Yinglong Bridge to meet it. The three waters converge to form a boat, and sail north for about twenty li to Ningyuan County. After passing Xiaguan, I left the Xiaoshaoshu River, and the road turned southeast.