禹抑洪水十三年,过家不入门。陆行载车,水行载舟,泥行蹈毳,山行即桥。以别九州,随山浚川,任土作贡。通九道,陂九泽,度九山。然河衍溢,害中国也尤甚。唯是为务。故道河自积石历龙门,南到华阴,东下砥柱,及孟津雒,至于大邳。于是禹以为河所从来者高,水湍悍,难以行平地,数为败,乃二渠以引其河。北载之高地,过降水,至于大陆,播为九河,同为逆河,入于勃海。九川既疏,九泽既洒,诸夏艾安,功施于三代。—《史记·河渠书》 Yu floods for thirteen years, a home does not get started. Land line car, water line boat, mud line dance 毳, the mountain that bridge. Do not Kyushu, with mountains Jun Chuan, Ren soil tribute. Pass nine, 陂 nine Ze, degrees nine mountains. However, the spread of the river, especially in China. Only for the service. Since then, the plot River plot plot calendar Dragon Gate, south to Huayin, the mainstay of the East, and Meng Jin 雒, as the big 邳. So Yu believes that the river has always been high, water turmoil, it is difficult to land, the number of defeat, but the second channel to lead the river. In the northern highlands, over precipitation, as the mainland, sowing nine rivers, the same as the River, into the Bohai Sea. Jiuchuan both sparse, Jiuze both sprinkle, all summer Ai, power applied to three generations. - “Historical Records Canal Book”