A long the river cotton region
a regulated discharge regime of the river
actuality of the river course
cable stringing crossing the river
capacity entering the river
cause of formation in the river pattern
channels across the river
city in the river-valley type
constructing over the river
crossing the river by feeling the stones
cubic capacity of materials falling into the river
cut off along the river
differentiation along the river
dig out sand to bring down the river be
ecological water demand for the river
ecosystem along the river