"That is a weight off my mind, colonel," he said to Phelypeaux. "I have been scarcely able to close an eye for the last week. That mine has been a perfect nightmare to me. There was no saying when it was going to explode, and although the Turks have worked hard at that countermine we set them to dig, I had little hope that you would be in time, as you had to take it right under the foundations of the tower. I think that we must congratulate ourselves heartily that it has been no worse."