There are 8 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 38450 | M. Foote | Silica Formation Unit 1 Givetian - Devonian 3 - Ohio | Kesling and Chilman (1975) |
| 38451 | M. Foote | Silica Formation Unit 2 Givetian - Devonian 3 - Ohio | Kesling and Chilman (1975) |
| 38452 | M. Foote | Silica Formation Unit 3 Givetian - Devonian 3 - Ohio | Kesling and Chilman (1975) |
| 38453 | M. Foote | Silica Formation Unit 4 Givetian - Devonian 3 - Ohio | Kesling and Chilman (1975) |
| 38454 | M. Foote | Silica Formation Unit 5A Givetian - Devonian 3 - Ohio | Kesling and Chilman (1975) |
| 38455 | M. Foote | Silica Formation Unit 5B Givetian - Devonian 3 - Ohio | Kesling and Chilman (1975) |
| 38456 | M. Foote | Silica Formation Unit 6 Givetian - Devonian 3 - Ohio | Kesling and Chilman (1975) |
| 38457 | M. Foote | Silica Formation Unit 7 (7A,7B,7C) Givetian - Devonian 3 - Ohio | Kesling and Chilman (1975) |