《水经注·卷二十一》
汝水又东流，息涧水发源于北方的大刘山，往南流经木寥堆以东、郊城以西，往南注入汝水。
汝水又东，扈涧水北出大刘山，南径木蓼堆东、郊城西，南流入于汝。
The Ru River flows further eastward. The Xijian River originates from the Northeast Mountain, flows south through the east of Muluodui and the west of the suburban city. It merges with the Ru River in the south.