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David Spencer joined the group Alabama Fossils 1 year, 8 months ago
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David Spencer joined the group Alabama Museum of Natural History 1 year, 8 months ago
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David Spencer joined the group Meetings and Conferences 1 year, 8 months ago
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David Spencer joined the group Education and Outreach 1 year, 8 months ago
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David Spencer joined the group Paleoart Appreciation 1 year, 8 months ago
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David Spencer joined the group Shocking Shark Teeth 1 year, 8 months ago
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David Spencer became a registered member 4 years, 11 months ago
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David Spencer joined the group Shocking Shark Teeth 4 years, 11 months ago
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David Spencer joined the group Education and Outreach 4 years, 11 months ago
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David Spencer joined the group Paleo Pics 4 years, 11 months ago
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David Spencer joined the group What is it? 4 years, 11 months ago
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