a general plan of river harnessing

cleaning of river bed

contemporary river bed

contraction river bed

deep overburden of river bed

deformation of river bed

deformation of river-bed

degradation of river-bed

digital river bed’s model

discharge for river bed formation

down-cutting of river bed

dry river bed

dyke and river harnessing

elevation of river bed

Evolution of river bed

evolution trend of river bed

fossil river bed

general plan for the Yellow River harnessing

Gradient of River Bed