《水经注·卷三十五》
江水右岸有秋口，是个牛扼湖。又往东流，汇合了乌石水。乌石水发源于乌石山，南流注入江水。
江右岸有秋口，江浦也，又东得鸟石水，出乌石山，南流注于江。
On the right bank of the river is Qiukou, a lake where cattle are strangled. Flowing eastward again, it merges with Wushi water. Wushi water originates from Wushi Mountain and flows southward into the river.