《水经注·卷三十》
又往东流，长直故沟从这里流出；又往东流入夏丘县，往东穿过渔水，流过夏丘老城北边，又转向东南流经渔县南边，又往东流进入徐县，东穿历涧，然后往东流经大徐县老城南边，往东注入淮水。
又东流，长直故沟出焉。又东入夏丘县，东绝潼水，径夏丘县故城北，又东南径潼县南，又东流入徐县，东绝历涧，又东径大徐县故城南，又东注于淮。
It flows east again, and the Changzhi Ancient Canal flows out of it; it also flows east into Xiaqiu County, east through Yushui, flows past the north side of the old city of Xiaqiu, turns southeast again and flows through the south side of Yuxian County, flows east again into Xuxian County, east through Liji, then east through the south side of the old city of Daxi County, and east into the Huai River.