| Ludlow Formation Stratigraphic range: Paleogene |
|
|---|---|
| Type | Formation |
| Underlies | Cannonball Formation and Slope Formation |
| Overlies | Hell Creek Formation |
| Location | |
| Region | North Dakota |
| Country | United States |
The Ludlow Formation is a geologic formation in western North Dakota. It preserves fossils dating back to the Paleogene Period.