THE STEAM-SHOVEL MAN
A noise of shouting came from several laborers who were running along a track further up the steep slope. The nearest steam-shovels blew their whistles furiously. The shrill blasts were sounding some kind of warning and Walter said to himself:
"Naughton's men must be ready to set oft a blast. I guess I had better move on."
He started to follow the fleeing laborers when a mass of muddy earth came slipping down a dozen yards in front of him. It blocked the shelf upon which he had climbed, and he checked himself, gazing confusedly up the slope. A large part of the overhanging hill-side appeared to be in sluggish motion. The wet, red soil far up toward the top of the cut had begun to slide as if it were being pushed into the bed of the canal by some unseen force. Dislodged fragments of rock rolled down the surface of the slide and clattered in advance of it, but so deliberate was the movement of the mass that there seemed to be time enough to escape it.
Walter ran along the ties and began to plough knee-deep through the impeding heap of muddy
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