《水经注·卷二十九》
今天江水南面的分支，流经乌程县，南面通余杭县，就与浙江相符合了。
今江南枝分历乌程县，南通余杭县，则与浙江合。
Today, the branch of the river in the south flows through Wucheng County and connects to Yuhang County in the south, which coincides with Zhejiang.