Diagrams

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Chart showing geologic periods in last 60 million years; 1970; Diagrams


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Copy of diagram of caldera formation; No date


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Copy of first step in caldera formation from book; 1976; Diagrams


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Second step in formation of Yellowstone caldera; 1976; Diagrams


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Third step in formation of Yellowstone caldera; 1976; Diagrams


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Fourth step in formation of Yellowstone caldera; 1976; Diagrams


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Diagram of a hot spring; 1978


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Diagram of vegetation communities - changes in altitude; No date


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Yellowstone Hot Spot 16 million years ago; August 1997; Diagrams


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Yellowstone Hot Spot 4-6 million years ago; August 1997; Diagrams


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Yellowstone Hot Spot 0-2 million years ago; August 1997; Diagrams


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How geysers work; Underground thermal activity with geyser, Stage 1; July 1997


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How geysers work; Underground thermal activity with geyser, Stage 2; July 1997


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How geysers work; Underground thermal activity with geyser, Stage 3; July 1997


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Yellowstone Hot Spot Track; November 1998; Diagrams


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Cladera diagram; November 1998


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