There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 173287 | P. Wagner | Section in abandoned quarry ¼ mile southeast of Gale Gamachian - Ordovician 5 - Illinois | Savage (1913) |
| 173288 | P. Wagner | 2½ kilometers north of Thebes Gamachian - Ordovician 5 - Illinois | Savage (1913) |
| 173289 | P. Wagner | 2½ kilometers north of Thebes Gamachian - Ordovician 5 - Illinois | Savage (1913) |