| Title | Upper Cretaceous Hell Creek and Paleocene Tullock Formations |
| Description | Uppermost Cretaceous Hell Creek Formation overlain by Paleocene Tullock Formation (Fort Union Group), Garfield County, Montana. View includes K/T boundary in Z-coal-bed sequence. Section photographed from Brownie Butte. |
| Chronostratigraphy | Upper Cretaceous, Maastrichtian |
| Lithostratigraphy | Hell Creek, Tullock (Fort Union) |
| Geologic province | Williston Basin |
| Location | USA ▹ Montana ▹ Garfield. Near Jordan. |
| Photographer | Joseph Hartman. 1995. |
| Collection | Joseph Hartman C07123. |
| Key words | Upper Cretaceous, Hell Creek Formation, Garfield County, Montana |
| Tech details | 584 KB. Outcrop. Kodachrome, TIFF format. |
| GeoDIL number | 123 |
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