It's behind you there in the cave." Wilder did as requested.
"It will depend a good deal upon what sort of rock this is around us.
It isn't flint, anyhow.

I take it to be either lime or sandstone.

If so, we needn't stay here much longer than it would be safe to go out again among those bloodthirsty savages." "How do you mean, Frank?
Darn me if I yet understan ye." "It's very simple, Walt.

If this cliff rock be only sandstone, or some other substance equally soft, we may cut our way out--under the big stone." "Ah! I didn't think o' thet.

Thar's good sense in what ye say." "It has a softish feel," said the Kentuckian, as he drew his hand across one of the projecting points.