keep some order and discipline during the long reign of terror.
Day was breaking now, and a line of workmen were slowly making their way, singly and in groups, along the blackened path.
McMurdo and Scanlan strolled on with the others, keeping in sight of the men whom they followed. A thick mist lay over them, and from the heart of it there came the sudden scream of a steam whistle. It was the ten-minute signal before the cages descended and the day’s labor began.
When they reached the open space round the mine shaft there were a hundred miners waiting, stamping their feet and blowing on their fingers; for it was bitterly cold. The strangers stood in a little group under the shadow of the engine house. Scanlan and McMurdo climbed a heap of slag from which the whole scene lay before them. They saw the mine engineer, a great bearded Scotsman named Menzies, come out of the engine house and blow his whistle for the cages to be lowered.
At the same instant a tall, loose-framed young man with a clean-shaved, earnest face advanced
