Fossilized Stem
Location: spoil pile of underground coal mine in central part of the "Mazon Creek Area".
Formation: Francis Creek Shale in the carbondale formation
Age: Aprox. 309 mya
By Stocksdale
Location: spoil pile of underground coal mine in central part of the "Mazon Creek Area".
Formation: Francis Creek Shale in the carbondale formation
Age: Aprox. 309 mya
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