Category:Decorah Formation
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English: Also: Decorah Shale
Subcategories
This category has the following 3 subcategories, out of 3 total.
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Media in category "Decorah Formation"
The following 6 files are in this category, out of 6 total.
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Cummingsville Formation Decorah Iowa.jpg 3,000 × 2,000; 2.54 MB
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Decorah area geology.png 1,982 × 1,720; 2.1 MB
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Decorah Formation in Decorah Iowa.jpg 3,000 × 2,000; 6.68 MB
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Fan Bryozoa fossil (Stictoporellina cribrosa).jpg 3,008 × 2,000; 2.39 MB
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Fossil Brachiopod (Strophomena filitexta).jpg 2,980 × 1,987; 3.43 MB
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Geologic Map Lake Superior MN WI MI.jpg 16,327 × 11,018; 35.93 MB
Categories:
- Galena Group
- Ordovician geology of the United States
- Geologic formations in Iowa
- Shale formations in Iowa
- Ordovician formations in Iowa
- Fossil bearing geologic formations in Iowa
- Geologic formations in Minnesota
- Ordovician formations in Minnesota
- Shale formations in Minnesota
- Fossil bearing geologic formations in Minnesota
- Geologic formations in Wisconsin
- Ordovician formations in Wisconsin
- Shale formations in Wisconsin
- Fossil bearing geologic formations in Wisconsin
- Geologic formations in Missouri
- Shale formations in Missouri
- Ordovician formations in Missouri
- Fossil bearing geologic formations in Missouri
- Geologic formations in Illinois
- Ordovician formations in Illinois
- Shale formations in Illinois
- Fossil bearing geologic formations in Illinois
- Geologic formations in Nebraska
- Ordovician geology of Nebraska
- Shale formations in Nebraska
- Fossil bearing geologic formations in Nebraska
- Geologic formations in South Dakota
- Shale formations in South Dakota
- Ordovician formations in South Dakota
- Fossil bearing geologic formations in South Dakota
- Paleozoic formations in Nebraska
- Ordovician fossil bearing formations in the United States
- Ordovician sedimentary rocks in the United States