《明史·志·卷五十九》
而且又设两个分水闸门于沙湾西岸，以泄上游洪水，因而请求停止八柳树的工程。
且设分水闸二空於沙湾西岸，以泄上流，而请停八柳树工。
Two more diversion gates were also built on the west bank of Shawan to drain the floodwater upstream, and therefore requested to stop the construction of Baliushu.