CHAPTER XVII

The Cave In a moment the lid of the locker would have been raised. Then came an interruption. “The boss wants us,” said one of the men. The man approaching the back of the car halted. “All right,” he growled. “We’ll leave this.” He turned away. The Hardy boys sighed with relief. “I guess he’s waitin’ for a report,” observed a voice, as the men began to move off. Their footsteps sounded sharp and clear on the rocks. The sounds died away. Complete silence prevailed. Not even a murmur broke the stillness. The lads rem…