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Fossil fern concretion Mazon Creek Formation 300 MYA - 4" X 3 1/2" free ship
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Mazon Creek Fossil 4 Inch Open Fern Concretion And 4 unopened pre Dinosaur Era
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Fossil fern from Mazon Creek Formation 300 MYA - 3" X 2" free shipping
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Fossil fern from Mazon Creek Formation 300 MYA - 5" X 2.5" free shipping
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Mazon Creek Fossil Open Fern Concretion Handwritten PIT4
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Fossil fern from Mazon Creek Formation 300 MYA - 3" x 1 1/2" free shipping
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