She knew he was her friend.
"Come," said the chief once more.

He gently put Nell aside before Jim arose from his sad task.
"We can not leave him unburied," expostulated Jim.
Wingenund dragged aside a large stone which formed one wall of the cavern.

Then he grasped a log which was half covered by dirt, and, exerting his great strength, pulled it from its place.

There was a crash, a rumble, the jar of a heavy weight striking the earth, then the rattling of gravel, and, before Nell and Jim realized what had happened, the great rock forming the roof of the cavern slipped down the bank followed by a small avalanche.

The cavern was completely covered.