《水经注·卷八》
《魏土地记》说：盟津河分流十里与清水汇合，往东乱流，从洛当城北面流过，径渭分明，往东南奔去。
《魏土地记》曰：盟津河别流十里与清水合，乱流而东，径洛当城北，黑白异流，泾渭殊别，而东南流注也。
“Geographical Records of Wei” said: Mengjin River splits into a branch and merges with Qingshui River after splitting into a ten-mile branch. It then flows eastward, passes the north of Luodang City, flows clearly towards southeast.