Tracing the streams back to the highest of its little lakes, I noticed a deposit of fine gray mud, something like the mud corn from a grindstone.

顺着溪流回到小湖的最高处， 我注意到了一层灰色的细泥， 有点像磨石上的玉米泥。

Tracing the stream back to the last of its chain of lakelets, I noticed a deposit of fine gray mud on the bottom except where the force of the entering current had prevented its settling.

沿着溪流追溯到它的最后一个小湖链，我注意到底部有一层灰色的细泥沉积物，除了进入水流的力量阻止它沉降的地方。