《水经注·卷二十八》
襄阳城东有东白沙，白沙北面有三洲，东北面有宛口，就是清水的入口处。
襄阳城东有东白沙，白沙北有三洲，东北有宛口，即淯水所入也。
There is Dongbaisha to the east of Xiangyang City; to its north there are three islands, and to its northeast there is Wankou, which is where the water enters.