《徐霞客游记·滇游日记三十四》
却不知跌水河虽然是骨状的岩石向下延亘，但是大水流向的地方，一个壑谷的水流都交相流注于其中;饮马河本来就没有一条河分为两条的道理，是人工建成的，想以此来掩盖那过失是不可能的。
不知跌水河虽石骨下亘，乃大水所趋，一壑之流交注焉；饮马河本无一水两分之理，乃人工所为，欲以此掩彼不可得也。
However, I did not know that although Dieshui River is a bone-shaped rock extending downward, it is the place where the water flows, and the water from a gully flows into it; Yinma River originally did not have a river divided into two. It was artificially built and it is impossible to cover up the fault.