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<http://experiment.worldcat.org/entity/work/data/2205947#Topic/petroleum_illinois> <http://schema.org/name> "Petroleum Illinois." .
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<http://worldcat.org/entity/work/id/2205947> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/2205947#Topic/petroleum_illinois> .
<http://worldcat.org/entity/work/id/2205947> <http://schema.org/name> "Relation of Silurian reefs to Ordovician structure in the Patoka oil area"@en .
<http://worldcat.org/entity/work/id/2205947> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/2205947#Topic/geology_stratigraphic_ordovician> .
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<http://worldcat.org/entity/work/id/2205947> <http://schema.org/about> <http://id.worldcat.org/fast/940727> .
<http://worldcat.org/entity/work/id/2205947> <http://schema.org/about> <http://id.worldcat.org/fast/1059260> .
<http://worldcat.org/entity/work/id/2205947> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/2205947#Topic/petroleum> .
<http://worldcat.org/entity/work/id/2205947> <http://schema.org/about> <http://id.worldcat.org/fast/1353916> .
<http://worldcat.org/entity/work/id/2205947> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/2205947#Event/from_425_to_500_million_years_ago> .
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<http://worldcat.org/entity/work/id/2205947> <http://schema.org/contributor> <http://experiment.worldcat.org/entity/work/data/2205947#Organization/illinois_state_geological_survey> .
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<http://worldcat.org/entity/work/id/2205947> <http://schema.org/about> <http://experiment.worldcat.org/entity/work/data/2205947#Place/illinois> .
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<http://worldcat.org/entity/work/id/2205947> <http://schema.org/creator> <http://worldcat.org/entity/person/id/2678703629> .
<http://experiment.worldcat.org/entity/work/data/2205947#Topic/ordovician_geologic_period> <http://schema.org/name> "Ordovician Geologic Period." .
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<http://experiment.worldcat.org/entity/work/data/2205947#Topic/petroleum> <http://schema.org/name> "Petroleum." .
<http://experiment.worldcat.org/entity/work/data/2205947#Topic/petroleum> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Topic> .