"To do that we should be obliged to station men entirely around our works, for here is the abandoned slope, and farther down the hill two or three places where an entrance could be effected."
"But Billings an' his crowd don't know all this."
"Possibly not; yet there are many of the older men who could tell the story."
Joe shook his head in perplexity.
"You four are to act as sentinels," said the Superintendent. "Study this map and you will hit upon a scheme."
"I am not warranted in hiring a large force of men as guards," Mr. Wright continued, "and we must do that from the inside. You and Thomas, with these boys as helpers, shall work on the lower level, and I will take care that none but true men are near by."
"How will that mend matters?"
"You four are to act as sentinels. It makes little difference how many loads you take out, for the company will pay day wages."