《水经注·卷三十三》
贪水发源于青岭县，上流承接青岭水，流经叶榆县，然后往东南流，到邪龙注入仆水。
水出青蛉县，上承青蛉水，径叶榆县，又东南至邪龙入于仆。
Pushkin River originates from Qingling County and flows into Qingling Water in the upper reaches, passing through Yeyu County and then southeast to Xie Long and into the Pushkin River.