《水经注·卷十六》
甘水又与非山水汇合。非山水发源于非山东麓的山谷，东流注入甘水。
甘水又与非山水会，水出非山东谷，东流入于甘水。
Gan River also merged with Fei Shan River (非山水). Fei Shan River originated from the valley of Fei Shan (非山), it flowed eastwards to join Gan River.