《水经注·卷十六》
按陆机《洛阳记》、刘澄之《永初记》说：城的西面有阳渠，是周公所开。
按陆机《洛阳记》、刘澄之《永初记》言，城之西面有阳渠，周公制之也。
According to Lu Ji's "Luoyang Ji" and Liu Chengzhi's "Yong Chu Ji": there was Yang Qu to the west of the city, which was opened by Duke Zhou.