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What Boxy and Jack thought would be a splendid shelter was found under a large, shelving series of rocks, nearly a hundred feet from the lake front. Here was an opening six feet wide by fifteen feet deep. The flooring was of smooth stone, covered with a great mass of leaves, which had been blown in by the wind. Of course, the snow had likewise entered, but this was soon cleaned out.
"Now, all we will have to do is to re-cover the greater part of the front with brush, and it will make the warmest kind of a shelter," said Jack.