《水经注·卷二》
这条水往东流，注入沼泽中。沼泽在楼兰国北边的抒泥城，当地俗称东故城，离阳关一千六百里，西北离乌垒一千七百八十五里，到墨山国一千八百六十五里，西北离车师一千八百九十里。
其水东注泽，泽在楼兰国北扞泥城。其俗谓之东故城，去阳关于六百里，西北去乌垒千七百八十五里，至墨山国千八百六十五里，西北去车师干八百九十里。
This water flows to the east and into the swamp. The swamp is in the Shu Nichi Town in the north of the Loulan Country, which is commonly known as the East Gu Town. It is 1600 miles away from the Yang Guan, 1785 miles away from Wulishan to the northwest, 1865 miles away from the Mo Shan Country and 1890 miles away from Cheshi to the northwest.