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Robert Burnham: Mount St. Helens 1
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Robert Burnham: Mount St. Helens 2
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Robert Burnham: boundary trail 1
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Robert Burnham: lava field 2
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Robert Burnham: obsidian 1
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Robert Burnham: obsidian 2
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Robert Burnham: obsidian 3
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Robert Burnham: barn 1
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Robert Burnham: san juans 1
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Robert Burnham: japanese gdn 1
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Robert Burnham: japanese gdn 4
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Robert Burnham: oregon beach 2
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Robert Burnham: seattle 1