Intrepid crew set off on an adventure
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Heroic Leader
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Fearless explorers
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"Where no one has gone before"
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Searching the shallows for fossils and artifacts
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Bison vertebra
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Cascade type artifact
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Lyle's 1st mammoth tusk
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Digit (finger bone) from a giant ground sloth.
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Distal end of a mammoth femur (leg bone).
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Fragment of mastodon tusk from the bottom of the river.
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Baby mammoth tooth plucked from shallow water.
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SCUBA: Marvin Reken and Lisa Ripps with a giant bison pelvic bone.
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Marvin Reken diving the Yamhill River
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