He should be on his way home from Boulder now.

But they had no support from original boulders beneath them; why then did the world need one?

"But a shrink from Boulder won't raise her suspicions at all?"

Who the hell would be visiting him from Boulder?

Each rock, from huge boulders to smaller stones, was numbered.

The firm will support its existing European customers from Boulder.

We could cross it any number of ways, walking easily from boulder to boulder.

Faces turned as he came out and sleepy people started to get up from the low walls and boulders it the side of the road.

They could cross it easily by jumping from boulder to boulder.

The dog jumped from boulder to boulder, and then he suddenly disappeared.