The first twenty-four hours over, the stall—or rather the heading, for it was now driven as narrow as it was possible for four men to work at once—had greatly advanced; indeed it would have been difficult even for a miner to believe that so much work had been done in the time.
There was, however, no change in the appearances; the water still trickled in, but they could not see that it came faster than before. As fast as the coal fell it was removed by one of the men who were next for work, so that there was not a minute lost from this cause.
During the next twenty-four hours almost as much work was done as during the first; but upon the third there was a decided falling off. The scanty food was telling upon them now.
The shifts were lengthened to an hour to allow longer time for sleep between each spell of work; and each set of men, when relieved, threw themselves down exhausted, and slept for three hours, until it was their turn to wake up and remove the coal as the set at work got it down.
At the end of seventy-two hours the water was coming through the face much faster than at first. The old miners, accustomed to judge by sound, were of opinion that the wall in front sounded less solid, and that they were coming to the old workings of the Logan pit.
In the three days and nights they had driven the heading nearly fifteen yards from the point where they had begun. Upon the fourth day they worked carefully, driving a borer three feet ahead of them into the coal, as in case of the water bursting through suddenly they would all be drowned.
At the end of ninety hours from the time of striking the first blow the drill which, Jack holding it, Bill Haden was just driving in deeper with a sledge, suddenly went forward, and as suddenly flew out as if shot from a gun, followed by a jet of water driven with tremendous force.
A plug, which had been prepared in readiness, was with difficulty driven into the hole; two men who had been knocked down by the force of the water were picked up much bruised and hurt; and with thankful hearts that the end of their labour was at hand all prepared for the last part of their task.
After an earnest thanksgiving by Mr. Brook for their success thus far, the whole party partook of what was a heartier meal than usual, consisting of the whole of the remaining food. Then choosing the largest of the drills, a hole was driven in the coal two feet in depth, and in this an unusually heavy charge was placed.
"We're done for after all," Bill Haden suddenly exclaimed. "Look at the lamp!"
Every one present felt his heart sink at what he saw. A light flame seemed to fill the whole interior of the lamp. To strike a match to light the fuse would be to cause an instant explosion of the gas. The place where they were working being the highest part of the mine, the fiery gas, which made its way out of the coal at all points above the closed doors, had, being lighter than air, mounted there.
"Put the lamps out," Jack said quickly; "the gauze is nearly red-hot." In a moment they were in darkness.
"What is to be done now?" Mr. Brook asked after a pause.
There was silence for a while—the case seemed desperate.
"Mr. Brook," Jack said after a time, "it is agreed, is it not, that all here will obey my orders?"
"Yes, certainly, Jack," Mr. Brook answered.
"Whatever they are?"
"Yes, whatever they are."
"Very well," Jack said, "you will all take your coats off and soak them in water, then all set to work to beat the gas out of this heading as far as possible. When that is done as far as can be done, all go into the next stall, and lie down at the upper end; you will be out of the way of the explosion there. Cover your heads with your wet coats, and, Bill, wrap something wet round those cans of powder."
"What then, Jack?"
"That's all," Jack said; "I will fire the train. If the gas explodes at the match it will light the fuse, so that the wall will blow in anyhow."
"No, no," a chorus of voices said; "you will be killed."
"I will light it, Jack," Bill Haden said; "I am getting on now, it's no great odds about me."
"No, dad," Jack said; "I am in charge, and it is for me to do it. You have all promised to obey orders, so set about it at once. Bill, take Mr. Brook up first into the other stall; he won't be able to find his way about in the dark."
Without a word Bill did as he was told, Mr. Brook giving one hearty squeeze to the lad's hand as he was led away. The others, accustomed to the darkness from boyhood, proceeded at once to carry out Jack's instructions, wetting their flannel jackets and then beating the roof with them towards the entrance to the stall; for five minutes they continued this, and then Jack said:
"Now, lads, off to the stall as quick as you can; cover your heads well over; lie down. I will be with you in a minute, or—" or, as Jack knew well, he would be dashed to pieces by the explosion of the gas.
He listened until the sound of the last footstep died away—waited a couple of minutes, to allow them to get safely in position at the other end of the next stall—and then, holding the end of the fuse in one hand and the match in the other, he murmured a prayer, and, stooping to the ground, struck the match.
No explosion followed; he applied it to the fuse, and ran for his life down the narrow heading, down the stall, along the horse road, and up the next stall. "It's alight," he said as he rushed in.
A cheer burst from the men. "Cover your heads close," Jack said as he threw himself down; "the explosion is sure to fire the gas."
For a minute a silence as of death reigned in the mine; then there was a sharp cracking explosion, followed by another like thunder, and, while a flash of fire seemed to surround them, filling the air, firing their clothes, and scorching their limbs, the whole mine shook with a deep roaring.
The men knew that the danger was at an end, threw off the covering from their heads, and struck out the fire from their garments. Some were badly burned about the legs, but any word or cry they may have uttered was drowned in the tremendous roar which continued.
It was the water from the Logan pit rushing into the Vaughan. For five minutes the noise was like thunder; then, as the pressure from behind decreased, the sound gradually grew less, until, in another five minutes, all was quiet.
Then the men rose to their feet. The air in the next stall was clear and fresh, for as the Logan pit had emptied of water, fresh air had of course come down from the surface to take its place.
"We can light our lamps again safely now," Bill Haden said. "We shall want our tools, lads, and the powder; there may be some heavy falls in our way, and we may have hard work yet before we get to the shaft, but the roof rock is strong, so I believe we shall make our way."
"It lies to our right," Jack said. "Like our own, it is at the lower end of the pit, so, as long as we don't mount, we are going right for it."
There were, as Haden had expected, many heavy falls of the roof, but the water had swept passages in them, and it was found easier to get along than the colliers had expected. Still it was hard work for men weakened by hunger; and it took them five hours of labour clearing away masses of rock, and floundering through black mud, often three feet deep, before they made their way to the bottom of the Logan shaft. Then they saw the light far above them—the light that at one time they had never expected to see again.
"What o'clock is it now, sir?" Bill Haden asked Mr. Brook, who had from the beginning been the time-keeper of the party.
"Twelve o'clock exactly," he replied. "It is four days and an hour since the pit caught fire."
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