Category:Red River Formation
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The Red River Formation is a stratigraphical unit of Upper Ordovician age in the Williston Basin.
Subcategories
This category has the following 3 subcategories, out of 3 total.
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Media in category "Red River Formation"
The following 4 files are in this category, out of 4 total.
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Fossicking for fossils in Tyndall Limestone.jpg 2,462 × 911; 967 KB
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Geologic Map Lake Superior MN WI MI.jpg 16,327 × 11,018; 35.93 MB
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Maclurina manitobensis.jpg 2,451 × 2,105; 1.64 MB
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Williston Basin stratigraphic column.jpg 178 × 799; 59 KB