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Children of Secret Valley organize an auction as an attraction for the weekend. Mistakenly they sell a small chest whose contents are the property survey deeds of Secret Valley
Children of the Secret Valley mount a rescue operation of a certain tree, whose leaves are eaten by koalas.
Old Dan tells the boys that in the days of the Gold Rush, his father was convinced he had a hidden lode in Secret Valley. Beaver (Lofty) remains very impressed and plans to find the vein.