The smoke pall was thinning as we descended, and I saw that we would soon drop below it.

The heavy smoke pall gradually dissipated.

As we drove on, the origin of the smoke pall became evident.

And in the sky the mushroom-shaped smoke pall gradually taking the shape of a human head.

Without ceasing to trudge he studied the horizon slowly and found a smoke pall to the far west dimly smudging the sky.

Racing toward them out of the smoke pall laid across the water by the burning flagship was Sea Witch.

Sunset came smudged by smoke pall.

The smoke pall hung over the distant city, but the air was brighter, reflected off the wbAte ash that covered the river bed.

A smoke pall, shot through with lurid gleams, filled the sky.

Some smoke palls rose in the distance where enemy ships had disintegrated.