Category:Mifflin Formation
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Media in category "Mifflin Formation"
This category contains only the following file.
Categories:
- Geologic formations in Illinois
- Ordovician formations in Illinois
- Fossil bearing geologic formations in Illinois
- Geologic formations in Wisconsin
- Ordovician formations in Wisconsin
- Fossil bearing geologic formations in Wisconsin
- Platteville Group
- Geologic formations in Iowa
- Ordovician formations in Iowa
- Fossil bearing geologic formations in Iowa
- Ordovician southern paleotropical deposits in the United States
- Ordovician sedimentary rocks in Illinois
- Ordovician sedimentary rocks in Wisconsin
- Ordovician sedimentary rocks in Iowa