There are 7 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 192984 | B. Kröger | Berzini borehole, D I zone, 462.7 - 459.0 m Johvi - Ordovician 5 - Latvia | Polma et al. (1977) |
| 192985 | B. Kröger | Berzini borehole, D II zone, 459.0 - 457.3 m Keila - Ordovician 4 - Latvia | Polma et al. (1977) |
| 207209 | B. Kröger | Ludza 15 borehole, Auleliai Fm., 600 - 626 m Johvi - Ordovician 5 - Latvia | Paskevicius (1997) |
| 207211 | B. Kröger | Ludza 15 borehole, Viluciai Fm., 590 - 600 m Keila - Ordovician 4 - Latvia | Paskevicius (1997) |
| 207213 | B. Kröger | Ludza 15 borehole, Lukstai Fm., 589 - 590 m Oandu - Ordovician 5 - Latvia | Paskevicius (1997) |
| 207215 | B. Kröger | Ludza 15 borehole, Jaksiai Fm., 574 - 589 m Rakvere - Ordovician 5 - Latvia | Paskevicius (1997) |
| 207225 | B. Kröger | Ludza 15 borehole, Baltinava Fm., 512 - 522 m Pirgu - Ordovician 5 - Latvia | Paskevicius (1997) |