Dalles Formation
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| Dalles Formation | |
|---|---|
| Stratigraphic range: Neogene | |
| Type | Formation |
| Location | |
| Coordinates | Lua error in Module:Coordinates at line 489: attempt to index field 'wikibase' (a nil value). |
| Region | Wasco County, Oregon |
| Country | United States |
The Dalles Formation is a geologic formation in Oregon. It preserves fossils dating back to the Neogene period.