《水经注·卷二十八》
但当地蛮族在北面堵了这条水，在南面又截断维川，引水来灌溉田亩。下流注入河水。
然候水诸蛮，北遏是水，南壅维川，以周田溉，下流入沔。
However, the local barbarians blocked the water in the north and cut off Weichuan in the south, diverting water to irrigate the fields. The downstream flows into the river water.