"I've been acquainted with a good many of 'em," he said, sorrowfully, "but I never knew two that had finer characters than these two did. They were regular burros! No cheaters--just the square, open and above-board kind, that never kicked without layin' back their ears to give you warnin' and never laid down on the trail unless they wanted to rest. The meanest thing a burro or a man can do is to die voluntarily when you're dependin' on him, or when he owes you work or money. So it does seem as if I must have been mistaken in these two, after all, because we may need 'em." Dick did not smile at his homily, for he caught the significance of it, that the Croix d'Or would have to make a better showing than they had so far discovered to warrant them in opening it. They had come almost to the end of the investigations possible. They scanned plans and scales in the office to familiarize themselves with the property, and there was but one portion of it they had not visited. That was a shaft which had been the "discovery hole," where the first find of ore had been made. And it was this they entered on the day when Fate seemed most particularly unkind. Yet even Fate appeared to relent, in the end, through one of those trifling afterthoughts which lead men to do the insignificant act. They had prepared everything for the venture. They had an extra supply of candles, chalk for making a course mark, sample bags for such pieces of ore as might interest them, and the prospectors' picks and hammers when they started out. They were a hundred yards from the office when the younger man hesitated, stopped and turned back. "I've an idea we might need those old maps," he said. "We haven't gone over them very much and they might come in handy." Bill protested, but despite this Dick went back to the quarters and got them. They were crude, apparently, compared with the later work when competent engineers had opened the mine in earnest; but doubtless had served their purpose. The men came to the mouth of the old shaft which had been loosely covered over with poles, and around which a thicket of wild blackberry bushes had sprung up in stunted growth. An hour's work disclosed the black opening and a ladder in a fair state of preservation. They lowered a candle into the depths and saw that it burned undimmed, indicating that the air was pure, and then descended cautiously, testing each rung as they went. The shaft was not more than fifty feet deep, and they found themselves standing on the bottom and peering off into a drift which had been crudely timbered and had fallen in here and there as the unworked ground had settled.