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==References==
==References==
* {{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= Various Contributors to the Paleobiology Database|url= http://www.fossilworks.org/|accessdate= 22 June 2014}}
* {{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= Various Contributors to the Paleobiology Database|url= http://www.fossilworks.org/|accessdate= 22 June 2014|deadurl= yes|archiveurl= https://web.archive.org/web/20140731140924/http://fossilworks.org/|archivedate= 31 July 2014|df= }}





Revision as of 09:44, 22 October 2017

Grand Detour Formation
Stratigraphic range: Ordovician
TypeFormation
Location
Region Illinois
Country United States

The Grand Detour Formation is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period.

See also

References

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014. {{cite web}}: |author= has generic name (help); Unknown parameter |deadurl= ignored (|url-status= suggested) (help)