They end up working the claims that are the least attractive, and yet they make a success in them, because they work harder, because they have a technique and a willingness to struggle longer. They're willing to work on the Sundays, they're willing to give up all play and concentrate. And so even when they've been driven out of the workable mines and they turn to the most, seemingly, desert-like places, barren places, they succeed, and this aggravates and angers the Americans even more.