《徐霞客游记·江右游日记一》
县城南临溪流，溪流到这里稍微折向南，于是濒临城墙又开挖了一条支流作为城壕，它的下游又与溪流汇合。
其城南临溪上，溪至此稍逊而南，濒城乃复浚支流为濠，下流复与溪合。
The county town faces a stream in the south, and the stream turns slightly south here, so a tributary was dug next to the city wall as a moat, and its downstream joins the stream again.