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| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Gressvik ungdomsskole | Østfold, Norway | 188 | 30 | 0 | 1993-10-21 |
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Gressvik ungdomsskole | Østfold, Norway | 188 | 30 | 0 | 1993-10-21 |