《水经注·卷五》
但现在首阳东山却没有相应的水，这一定是由于古今时代相隔太远，水流地貌都有了很大变化的缘故。
皇甫谧《帝王世纪》以为即东首阳山也，盖是山之殊目矣。
But the area east of Shouyang Mountain today has no corresponding body of water. This must be because, with the great age difference between ancient and modern times, the water and topography of the land have undergone major changes.