Now they were at the base of the mountain.

Now they were up the slope which was densely clothed with trees and bushes.
Then they came to a great hollow in the stone side of the ridge, an indentation eight or ten feet deep and as many across, while above them the stone arched over their heads at a height of seventy or eighty feet.
"We'll just stay here," said Obed White.

"You can run and you can run, but the time comes when you can run no more.

They can't get at us from overhead, and they can't get at us from the sides.

As for the front, I think that you and I, Ned, can hold it against as many Mexicans as may come." "At least we'll make a mighty big try," said Ned, whose courage rose high at the sight of their natural fort.