"Water, fire, and a temporary shelter," promptly answered little Tom the readiest thinker as well as the most experienced woodsman in the whole company.

"Well we'll set two fellows at work digging out a large basin for that spring," said Jack. "That will give us an adequate water supply for all winter. You Tom, and Ed Parmly, are detailed to that work. Now as to shelter. Of course we've got to build a permanent winter quarters. But that will take several days—perhaps a week, and in the meantime we're likely to have snows or rains and we must have some sort of temporary abode. We must build that to-day. How shall it be done?"

"Easy enough," answered Harry Ridsdale. "We can set up some poles just under the cliff back there and make a shed open in front and covered with bushes so arranged as to shed the rain. Of course the place wouldn't be a good one for permanent quarters, but in November there are no avalanches or anything else of that sort, and so a temporary shed there will answer our purpose for the present."

"But how are we going to keep it warm?" asked Ed.

"By building a big fire in front of it," answered Harry.

"But suppose the wind should blow hard from the north and blow all the smoke into our shed?" said Ed.

"Well, let it," answered Harry. "The smoke will rise, especially in a high wind, and our bush roof will certainly be porous enough to let it through."

After a little further discussion it was decided to adopt Harry's plan, and by the time that Tom and Ed had completed the work of digging out a water reservoir, the rest of the party had constructed a temporary shelter under the cliff, quite sufficient for their immediate needs. By this time hunger—that always recurring condition—had seized upon them and they prepared a rather late dinner of squirrels that had been shot by one and another of the party on the journey. They were tired, too, and the need of rest was imperative. So they decided to do no more work that day, but to devote its remaining hours to the task of planning their winter quarters.

First of all they selected a location for their winter house which the Doctor thought the avalanches and the floods from the mountains would not seriously inconvenience. The ground on which they were camping was a sort of plateau, with a cliff rising behind and with the steep mountain side falling away into the fathomless depths in front. The plateau embraced several acres of land, and it was fairly level; but the spot selected for winter quarters was a little knoll which rose above the general level very near the top of the steep front.

By the time that all this had been accomplished night fell, and there was supper to get. After supper Jack said: