《水经注·卷三十八》
湘水左边流经麓山东边，山上有老城。山北有白露水口，是个牛扼湖。
湘水左径麓山东，上有故城，山北有白露水口，湘浦也。
Flowing leftward of Xiang River is east of Lushan Mountain, where there is an old city. North of the mountain is Bailushui exit, a meandering lake.