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jhapeman: Natural gas bubbles in natural crude oil seeps
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jhapeman: Natural gas bubbles in natural crude oil seeps
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jhapeman: Natural gas bubbles in natural crude oil seeps
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jhapeman: Natural gas bubbles in natural crude oil seeps
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jhapeman: Look Daddy, Tar!
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jhapeman: Harlan's Ground Sloth
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jhapeman: Antique Bison
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jhapeman: Columbian Mammoth
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jhapeman: Sabertooth Cat
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jhapeman: Fossil Lab
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jhapeman: Mammoth at La Brea Tar Pits
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jhapeman: Tourists with self-portrait gadget
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jhapeman: Asphalt-covered pond
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jhapeman: Fresh asphalt
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jhapeman: Museum sign
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jhapeman: Mastodon Skull
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jhapeman: Antique Bison
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jhapeman: Merriam's Teratorn
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jhapeman: Fossil Preparation
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jhapeman: Dire Wolf Skulls
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jhapeman: Fossil Preparation
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jhapeman: Fossil Preparation