《水经注·卷三十三》
此水是延江的支派，分水北注，经涪陵入江，所以也叫涪陵水。
水乃延江之枝津，分水北注，径涪陵入江，故亦云涪陵水也。
This water is a branch of the Yanjiang River, and the water flows north, passing through Fuling into the river, so it is also called Fuling River.