There are 5 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 192988 | B. Kröger | Berzini borehole, 440.1 - 424.4 m Nabala - Ordovician 5 - Latvia | Polma et al. (1977) |
| 207218 | B. Kröger | Ludza 15 borehole, Kaimynai Fm. Nabala - Ordovician 5 - Latvia | Paskevicius (1997) |
| 207225 | B. Kröger | Ludza 15 borehole, Baltinava Fm., 512 - 522 m Pirgu - Ordovician 5 - Latvia | Paskevicius (1997) |
| 207226 | B. Kröger | Ludza 15 borehole, Ludza Fm., 490.0 - 513.0 m Pirgu - Ordovician 5 - Latvia | Paskevicius (1997) |
| 207227 | B. Kröger | Ludza 15 borehole, Adila Fm., 467.0 - 490 m Pirgu - Ordovician 5 - Latvia | Paskevicius (1997) |