There was water here, the first need of life, an underground source that seemed bottomless.

It is fed by several streams, most of its contents come from underground sources.

Water rights to surface water and underground sources are separate.

They had received word through their underground sources that an attempt was to be made on the Governor's life.

Like a higher volume spring, the water is only from underground sources.

Less than a 10th is taken from two underground sources.

Water, tapped from an underground source, had to be softened and filtered.

An abundant source of water with many underground sources.

Much of Pakistan's water supply is pumped to the surface from underground sources.

The people living in the desert here know where to find hidden, underground sources of water.