《徐霞客游记·粤西游日记三十五》
又向西南二里，下到土洼中，中间积着一塘水，从西北的石峰下形成山涧流去。
又西南二里，下土洼，中则汇水一塘，自西北石峰下成涧而去。
Go southwest for another two li and down to the earth pit, with a pond of water in the middle, which flows down from the stream at the foot of Shifeng Mountain in the northwest.