“And how’s the face?” Fighting Jack asked.

“Sand.” One-eyed Conro spat a globe of tobacco into the darkness. “Still sand, sand. Loose at the top so Mr. Washington has dropped the pressure so she won’t blow, so now there’s plenty of water at the bottom and all the pumps are working.”

“‘Tis the air pressure you see,” Fighting Jack explained to Drigg as though the messenger were interested, which he was not. “We’re out under’t’ocean here with ten, twenty fathoms of water over our heads and that water trying to push down through the sand and get’t‘us all the time, you see. So we raise the air pressure to keep it out. But seeing as how this tunnel is thirty feet high there is a difference in the pressure from top to bottom and that’s a problem. When we raise the pressure to keep things all nice at’t’top, why then the water seeps in at’t‘bottom where the pressure is lower and we’re like’t’swim. But, mind you, if we was to raise the pressure so the water is kept out at’t‘bottom why then there is too much pressure at’t’top and there is a possibility of blowing a hole right through to the ocean bottom and letting all the waters of the world down upon our heads. But don’t you worry about it.”

Drigg could do nothing else. He found, that for some inexplicable reason his hands were shaking so that he had to grip the chain about his wrist tightly so it did not rattle. All too soon the train began to slow and the end of the tunnel appeared clearly ahead. A hulking metal shield that sealed off the workers from the virgin earth outside and enabled them to attack it through door-like openings that pierced the steel. Drills were at work above, whining and grumbling, while mechanical shovels below dug at the displaced muck and loaded it into the waiting wagons. The scene appeared disorganized and frenzied, but even to Drigg’s untutored eye it was quickly apparent that work was going forward in an orderly and efficient manner. Fighting Jack climbed down and Drigg followed him, over to the shield and up a flight of metal stairs to one of the openings.

“Stay here,” the ganger ordered. “I’ll bring him out.”

Drigg had not the slightest desire to go a step farther and wondered at his loyalty to the company that had brought him this far. Close feet away from him was the bare face of the soil through which the tunnel was being driven.

Gray sand and hard clay. The shovels ripped into it and dropped it down to the waiting machines below. There was something sinister and frightening about the entire operation and Drigg tore his gaze away to follow Fighting Jack who was talking to a tall man in khaki wearing high-laced engineer’s boots. Only when he turned and Drigg saw that classical nose in profile did he recognize Captain Augustine Washington. He had seen him before only in the offices and at Board meetings and had not associated that well-dressed gentleman with this burly engineer. But of course, no toppers here…

It was something between a shout and a scream and everyone looked in the same direction at the same instant. One of the navvies was pointing at the face of dark sand before him that was puckering away from the shield.

“Blowout!” someone shouted and Drigg had no idea what it meant except he knew something terrible was happening. The scene was rapid, confused, with men doing things and all the time the sand was moving away until suddenly a hole a good two feet wide appeared with a great sound like an immense whistle. A wind pulled at Drigg and his ears hurt and to his horror he felt himself being drawn towards that gaping mouth. He clung to the metal in petrified terror as he watched strong boards being lifted from the shield by that wind and being sucked forward, to splinter and break and vanish into oblivion.

A navvy stumbled forward, leaning back against the suction, holding a bale of straw up high in his strong arms. It was Fighting Jack, struggling against the thing that had suddenly appeared to destroy them all, and he raised the bale which was sucked from his grasp even as he lifted it. It hit the opening, was pressed flat, and hung there for an instant—then disappeared.

Fighting Jack was staggering, reaching for support to pull himself back to safety, his hand out to a steel bulkhead. His fingers were almost touching it, tantalizingly close, but he could not reach it. With a bellow, more of annoyance than fear, he rocked backwards, was lifted to his feet and dragged headfirst into the opening.

For one, long, terrifying moment he stuck there, like a cork in a bottle, just his kicking legs projecting into the tunnel.

Then he was gone and the air whistled and howled freely again.

All of the navvies, not to mention Albert Drigg, stood paralyzed by horror at the swiftness of the tragedy. Even these strong men, used as they were to a life of physical effort and hardship, accidents and sudden maiming, were appalled by the swiftness of the event. Only one man there had the presence of mind to move, to act, to break the spell that bound all of the others.

“To me,” Captain Washington shouted, jumping to a bulwark of timbers that had been prepared for just this sort of emergency. Lengths of thick boards that were bolted to stout timbers to make a doorlike shield that stood as high as a man. It looked too heavy for one person to budge yet Washington seized the edge and with a concerted contraction of all his muscles dragged it forward a good two feet.

His action jolted the others into motion, rallying to him to seize the construction and lift it and push it forward. The pressure of the air tore it from their hands and slammed it against the face of the cutting, covering the blowout opening at last. There was still the strong hiss of air pushing through the cracks in the boards but the rushing torrent had now abated. Under Washington’s instructions they hurried to contain and seal off the disaster. While above them, through the largest opening in the tunneling shield, a strange machine appeared, pushed forward by smoothly powerful hydraulic cylinders. It was not unlike a battleship gun turret, only in place of the cannon there were four long tubes that ended in cutting heads. These were placed against the sand above the blowout and instantly began revolving under the operator’s control. Drilling swiftly they sank into the soft sand until the turret itself was flush against the face of the cutting. As soon as this was done the drilling stopped and valves were opened—and an instant frosting of ice appeared upon the turret.

While this was happening a brawny navvy with an ax had chopped a hole in the center of the wooden shield just over the opening of the blowout. The pressure was so strong that, when he holed through, the ax was torn from his hands and vanished. He stumbled back, laughing at the incident and holding up his hands so his buddies could see the raw stripes on his palms where the handle of the ax had been drawn from his tight grip. No sooner had he stepped aside than the mouth of a thick hose was placed over this new opening and a pump started to throb.

Within seconds the high-pitched whistle of the escaping air began to die away. Ice now coated the formerly wet sand through which the blowout had occurred and a chilling wave of cold air passed over them all. When the rushing wind had vanished completely, Washington ordered the pumping stopped and their ears sang in the sudden silence. The sound of a bell drew their attention as Captain Washington spun the handle on the field telephone.

“Put me through on the radio link to the boat at once.”

They all listened with a fierce intentness as contact was established and Washington snapped the single word, “Report.” He listened and nodded then called out to his intent audience.

“He is safe. Alive and well.”

They cheered and threw their caps into the air and only desisted when he raised his hands for silence.