| Title | Oligocene fish |
| Description | Oligocene fish collected at Sentinel Butte at locality 101 in the White River Formation. Fossils photographed at Carlton College. Collected in May of 1978. |
| Chronostratigraphy | Oligocene |
| Lithostratigraphy | White River Formation |
| Location | USA ▹ North Dakota ▹ Morton. Near Bismarck. Sentinel Butte. |
| Photographer | Joseph Hartman. 2002-01-10. |
| Collection | Joseph Hartman PO2260. |
| Key words | oligocene, sentinel butte, white river formation |
| Tech details | 143 KB. Hand specimen. Kodachrome, TIFF format. |
| GeoDIL number | 1950 |
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