There were places where the trail simply vanished crossing loose rock, or perhaps went under it.

Finally we came to a spot where the barely perceptible trail vanished.

Why the trail had vanished was at last explained.

We suddenly realized that the trail, and the white blazes, had vanished.

And even after the trail had vanished she pushed on.

The trail came out of the rain to Blade's right and vanished in the misty twilight.

If by some miracle you could get a three- or four-day start, your first day's trail would vanish under new growth.

So far as the law was concerned, the trail of the truck had vanished.

The trail often vanished in brush or tall, sparse grass.

"Our experience of tracing Muslims who have disappeared is that the trail just vanishes,"she said.