《晋书·志·第十四章》
徐州又设置淮海从事，凉州设置河津从事，各州设置都水从事各一名。
徐州又置淮海，凉州置河津，诸州置都水从事各一人。
Xuzhou was assigned an officer in charge of Huaihai, Liangzhou an officer in charge of Hejin, and each prefecture a supervising officer of water affairs.