There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 87737 | B. Kröger | USGS 6034-CO, Sulphur Well(s), New Watts Mill Rd., Little Hickman A section Rocklandian - Ordovician 4-5 - Kentucky | Frey (1995) |
| 87739 | B. Kröger | High Bridge, Tyrone Fm. Rocklandian - Ordovician 4-5 - Kentucky | Frey (1995) |