《明史·志·卷六十》
今洳河已经修成，起于直河到达夏镇，与黄河隔绝，山东、直隶之间，黄河不能控制漕运河道的命运。
今泇河既成，起直河至夏镇，与黄河隔绝，山东、直隶间，河不能制运道之命。
Now that the Ru River has been completed and started from the straight river to reach Xiazhen, it is separated from the Yellow River, and between Shandong and Zhili, the Yellow River can no longer control the fate of the canal channel.