R.
"Then I can promise you that you'd see Reade, on his pony, shooting ahead as fast as he could go to the scene of the trouble." These more important railroad officials had come out to camp in automobiles.

Now they followed on foot as the train rolled on to the land reclaimed from the Man-killer.
Superintendent Hawkins and his foremen also went along on foot to observe whether the track sank ever so little at any point.
It was none of Harry Hazelton's particular business to watch whether the tracks sank slightly.

That duty could be better performed by the foremen who had had charge of the track laying.

Yet Hazelton, as he watched, found himself growing impatient.
"Here!" Harry called to a near-by laborer.

"Take my horse, please." In another instant the young assistant engineer was on foot, following the slowly moving train as it rolled along over the ground where, months before, not even a man could have strolled with safety.
"Do you see any sagging of the track, Mr.Rivers ?" Harry called.
"No, sir.