http://dbpedia.org/data/Orchard_Creek_Shale.atom 2025-01-09T10:15:06.180207Z http://dbpedia.org/resource/Orchard_Creek_Shale 2025-01-09T10:15:06.180207Z The Orchard Creek Shale is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period. Orchard Creek Shale 1096241233 1167 Orchard Creek Shale 43133725 The Orchard Creek Shale is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period.

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