Now he turned his attention to the broken rock piled before the mouth of the cave.

Now there was sand beneath her, and the sharp points of small, broken rocks.

Binyamin looked around until he found a large piece of broken rock.

But where to head in this maze of broken rock?

The men will be busy for some time getting out the broken rock.

The charge was fired and a great mass of broken rock brought down inside the tunnel.

Professor Bumper had crawled forward over the mass of broken rock.

There was nothing left but a jumble of broken rock and sand.

They began to trot up the broken rock of the south approach.

All about him were boulders and large fragments of broken rock.