By far the strongest and most permanent field divisions are stone walls.

Pressure processes are the most permanent method around today in preserving timber life.

This spring is the most permanent source of water in the park.

The most permanent association of families was at winter encampments.

And how timeless, really, can even the most permanent building be?

It is the most permanent asset on a bank's balance sheet.

But the greatest and most permanent facts of life are to be found in the smallest circles.

Sculpture in stone is seemingly the most permanent way of creating images.

FOR some older workers, work has become just about the most permanent thing.

The most permanent item, of course, is the head itself.