Moving along the natural rock step, he stopped by a large slab.

I did; a space less than three feet high, formed by two large slabs fallen together.

One large flat slab of coal was giving him trouble.

But in front of the spring stood a large slab of cut stone.

They were at least three feet in diameter, judging by the size of the largest slabs.

After a moment, the large slab that concealed the doorway moved aside.

But they were solid, and led safely up to the ruined top of the wall where another, larger slab made a good view point.

And onto the young man's plate he heaped a large slab of meat.

In the center was a large flat slab of stone propped waist high.

A little way beyond the pillars was a very large slab of ice, cracked into pieces.