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gptkb:Permian_(geologic_period)
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Artinskian Stage
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gptkb:Permian_(geologic_period)
|
gptkb:Guadalupe_Mountains
|
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gptkb:Permian_(geologic_period)
|
Sakmarian Stage
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gptkb:Permian_(geologic_period)
|
gptkb:Capitan_Reef
|
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gptkb:Permian_(geologic_period)
|
Phosphoria Formation
|
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gptkb:Permian_(geologic_period)
|
Wordian Stage
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gptkb:Permian_(geologic_period)
|
Guadalupian limestone
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gptkb:Permian_(geologic_period)
|
gptkb:San_Andres_Formation
|
|
gptkb:Permian_(geologic_period)
|
Dunkard Group
|
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gptkb:Permian_(geologic_period)
|
Cutler Formation
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gptkb:Permian_(geologic_period)
|
Wuchiapingian Stage
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|
gptkb:Lower_Carboniferous_in_Europe
|
Dinantian (Belgium)
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gptkb:Permian_(geologic_period)
|
Changhsingian Stage
|
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gptkb:Lower_Carboniferous_in_Europe
|
Carboniferous Limestone (UK)
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gptkb:Permian_(geologic_period)
|
Capitanian Stage
|
|
gptkb:Permian_(geologic_period)
|
Word Formation
|
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gptkb:Permian_(geologic_period)
|
Chickasha Formation
|
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gptkb:Permian_(geologic_period)
|
gptkb:Leonardian_Series
|
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gptkb:Permian_(geologic_period)
|
gptkb:Brushy_Canyon_Formation
|
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gptkb:Permian_(geologic_period)
|
gptkb:Clear_Fork_Group
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