- The aboveground river of the Yellow River was formed by natural and artificial processes.
- A great number of sediments are transported by mudflow from the plateau and cause serious silting and aboveground rivers on the lower reaches of the Yellow River and its main branches.
- The river had worn a ravine between the hills.
- Can we dredge the river to make it deeper?
- Navigation is difficult on this river because of the hidden rocks.
- The police dredged up the parcel from the muddy river.