《水经注·卷十九》
渠道上流在陈仓以东承接沂水，往东流经郡、武功、槐里县以北，渠左有安定梁严墓，现在还有碑褐存在。
其渎上承汧水于陈仓东，东径郿及武功、槐里县北。渠左有安定梁严冢，碑碣尚存。
The upstream of the canal takes Yishui in the east of Chencang, flows eastward and passes north of the counties of Jun, Wugong and Huaili. There is Dingliangyan Tomb on the left of the canal, and there are still steles there.