It therefore belongs to the catchment basin of the Sutlej and not to the Indus, and the Tseti-la is a pass of secondary order.
The catchment basin is surrounded by a ridge or watershed line, continuous except at the point where the river finds an outlet.
Immunity from floods can be effected only by the construction of catchment reservoirs in the highlands or levees in the lowlands.
He was off to see to another of his father's interests—that "catchment area" far away up in the mountains.
The noblest and most-varied scenery in the north-west Himalaya is in the catchment area of the Jhelam.
Of the whole rainfall on the catchment basin, a part only finds its way to the stream.