There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 192983 | B. Kröger | Berzini borehole, C III zone, 486.0 - 470.0 m Idavere - Ordovician 4 - Latvia | Polma et al. (1977) |
| 192988 | B. Kröger | Berzini borehole, 440.1 - 424.4 m Nabala - Ordovician 5 - Latvia | Polma et al. (1977) |
| 192989 | B. Kröger | Berzini borehole, 424.4 - 412.0 m Vormsi - Ordovician 5 - Latvia | Polma et al. (1977) |