Read it through once

The youth, turning, shot a quick, inquiring glance at his friend. The latter returned to him the same manner of look. They were the only ones who possessed an inner knowledge. “Mule drivers—hell t’ pay—don’t believe many will get back.” It was an ironical secret. Still, they saw no hesitation in each other’s faces, and they nodded a mute and unprotesting assent when a shaggy man near them said in a meek voice: “We’ll git swallowed.”