Search our collection of background (non-event) articles from news media, science journals and other sources.
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| WINTER | 39 | |
| FALL | 38 | |
| SUMMER | 35 | |
| SPRING | 31 |
| United States | 73 | |
| Canada | 24 | |
| Norway | 9 | |
| Russia | 8 | |
| Svalbard and Jan Mayen | 4 | |
| Sweden | 3 | |
| Denmark | 2 | |
| Greenland | 2 | |
| Finland | 1 | |
| Mongolia | 1 | |
| Poland | 1 | |
| Romania | 1 |
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