No, by God!" he exclaimed, savagely, "I ain't going to do it.

I'm going back.

I can't leave a mine like that." He had wheeled the mule about, and had started to return on his tracks, grinding his teeth fiercely, inclining his head forward as though butting against a wind that would beat him back.

"Go on, go on," he cried, sometimes addressing the mule, sometimes himself.

"Go on, go back, go back.