《汉书·志·地理志下》
有五个县：朱吾县，比景县，卢容县，西卷县，河流流入大海，有竹子，可作拐杖。
县五：朱吾，比景，卢容，西卷，水入海，有竹，可为杖。
There are five counties: Zhuwu County, Bijing County, L容 County, Xijuan County, the river flows into the sea, and there are bamboos that can be used as crutches.