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gptkb:Permian_(geologic_period)
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Dunkard Group
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gptkb:Permian_(geologic_period)
|
gptkb:Beaufort_Group
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gptkb:Permian_(geologic_period)
|
Wordian Stage
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gptkb:Permian_(geologic_period)
|
Zechstein
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gptkb:Permian_(geologic_period)
|
Changhsingian Stage
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gptkb:Permian_(geologic_period)
|
Guadalupian limestone
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gptkb:Permian_(geologic_period)
|
gptkb:Kaibab_Limestone
|
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gptkb:Lower_Carboniferous_in_Europe
|
Carboniferous Limestone (UK)
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gptkb:Permian_(geologic_period)
|
gptkb:Karoo_Supergroup
|
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gptkb:Permian_(geologic_period)
|
Wuchiapingian Stage
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gptkb:Permian_(geologic_period)
|
Roadian Stage
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gptkb:Permian_(geologic_period)
|
gptkb:Capitan_Reef
|
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gptkb:Permian_(geologic_period)
|
Kungurian Stage
|
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gptkb:Permian_(geologic_period)
|
Word Formation
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gptkb:Permian_(geologic_period)
|
Sakmarian Stage
|
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gptkb:Permian_(geologic_period)
|
Cutler Formation
|
|
gptkb:Permian_(geologic_period)
|
Ochoan Series
|
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gptkb:Permian_(geologic_period)
|
Chickasha Formation
|
|
gptkb:Permian_(geologic_period)
|
gptkb:Guadalupe_Mountains
|
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gptkb:Permian_(geologic_period)
|
Phosphoria Formation
|