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| Participant: | School ¹20, Nickel |
| Site: | Nikel (Russia) |
| Date: | 01.11.2021 |
Ice and snow
| First observation of | Date |
|---|---|
| Waters covered by ice | 24.10.2021 |
| Participant: | School ¹20, Nickel |
| Site: | Nikel (Russia) |
| Date: | 01.11.2021 |
| First observation of | Date |
|---|---|
| Waters covered by ice | 24.10.2021 |