| Title | Ordovician Galena Formation, southeastern Minnesota |
| Description | Students from a paleontology class at Carleton College search for marine invertebrates in the Ordovician Galena Formation, southeastern Minnesota. |
| Lithostratigraphy | Hell Creek Formation |
| Location | USA ▹ Minnesota ▹ Carter. Near Cannon Falls. Devil's Hole Creek. |
| Photographer | Joseph Hartman. 1978. |
| Collection | Joseph Hartman P02275. |
| Key words | hell creek formation |
| Tech details | 582 KB. Outcrop. Kodachrome, TIFF. |
| GeoDIL number | 2086 |
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