Several regional streams and rivers also have their headwaters in the mountains.
The average annual rainfall in 1,000 mm in the northern part and 3,000 mm in the southern mountains where the river's headwaters lie.
The dam's immediate headwaters and tailwaters still resemble this formation.
The headwaters of many small streams, which later turn into large rivers, gouge deep serrated valleys through the unconsolidated ash and pumice-rich earth.
More and more the future of those people in the headwaters of the valleys depends on the actions of those down below, so to speak, in the valleys.
More and more water is being extracted from underground sources or from the headwaters of rivers, and returned lower downstream as sewage effluent.
Abstraction must be controlled and water resources generally managed so that our rivers and streams, and especially the headwaters, are not reduced to pathetic trickles.
The historical arguments were telling, but as one went further and further up the headwaters of time they became more and more ingenious.
