Off to the right was a circular depression perhaps fifty yards across; Bruce could not see the bottom.

They were distinguished by their shape which was a rounded square with a circular depression on each face.

It, too, was carved in places from solid stone and ended at a circular depression.

Con walked over to the rim of the circular depression.

The circular depression bears a saline water lake in its central portion.

They stood at the edge of a circular depression in the center of a mountain.

A circular depression about six feet across had appeared in the center.

There was a new, circular depression in the wood surface.

Others are covered with small circular depressions like those made by rain falling on sand.

A single mega-impact would produce a very large, circular depression in the crust.