| Title | Glacial polish at Forester Pass, near Mt. Whitney, Sierra Nevada Mountains |
| Description | Moving ice polished this granite outcrop, leaving a broad groove and making it highly reflective. Features such as this are testimonies to the great force that ice exerts as it creeps forward. |
| Geologic province | Sierra Nevada |
| Location | USA ▹ California. View on the John Muir Trail. |
| Photographer | Dexter Perkins. 2002-01-27. |
| Collection | JMT-17. |
| Key words | glacial polish, Sierra Nevada |
| Tech details | 522 KB. Outcrop. Olympus LT. |
| GeoDIL number | 2204 |
 |