bn:16217121n
Noun Named Entity
Categories: Devonian System of North America, Devonian southern paleotemperate deposits, Famennian Stage, Devonian Ohio
EN
Chagrin Shale  Chagrin Member
EN
The Chagrin Shale is a shale geologic formation in the eastern United States that is approximately 365 million years old. Wikipedia
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EN
The Chagrin Shale is a shale geologic formation in the eastern United States that is approximately 365 million years old. Wikipedia
Member of Ohio Shale Wikidata
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