| Title | Unkpapa Sandstone (Upper Jurassic), Black Hills, South Dakota |
| Description | Color variation in Unkpapa Sandstone (Upper Jurassic), Black Hills, South Dakota. |
| Chronostratigraphy | Upper Jurassic |
| Lithostratigraphy | Unkpapa Sandstone |
| Geologic province | Black Hills |
| Location | USA ▹ South Dakota ▹ Pennington. Near Buffalo Gap. |
| Photographer | Joseph Hartman. 1899-12-30. |
| Collection | Joseph Hartman P00857. |
| Tech details | 274 KB. Outcrop. Kodachrome, TIFF format. |
| GeoDIL number | 1554 |
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