Clue: 23-Across debut of 1999
We have 1 answer for the clue 23-Across debut of 1999. See the results below.
Possible Answers:
Related Clues:
- Feature of northern Canada
- Treeless area
- Permafrost region
- Area with not much growing for it?
- Treeless arctic plain
- Arctic plain
- Frozen plain
- Much of Siberia
- Arctic wasteland
- Arctic treeless plain
Last Seen In:
- New York Times - March 14, 2026
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