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Spieden Formation
Geologic feature of Washington state From Wikipedia, the free encyclopedia
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The Spieden Formation is a geologic formation in the US state of Washington. It preserves fossils dating back to the Cretaceous period.
See also
References
- Hendy, Austin (22 August 2008). "UWA A535 [Spieden Fm] (Cretaceous of the United States)". Fossilworks: Gateway to the Paleobiology Database. PaleoDB collection 83571
 | This article about a specific stratigraphic formation in Washington is a stub. You can help Wikipedia by expanding it. |
 | This article related to the Cretaceous period is a stub. You can help Wikipedia by expanding it. |
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