FIRN
Set to 2 different clues across 2 published puzzles, most often “Granular snow atop a glacier” — The New York Times, Sunday, 7 December 2003.
4 letters
Every clue on record, most used first
- Granular snow atop a glacieronce
The New York Times — Sunday, 7 December 2003
- Swiss snowfieldonce
The New York Times — Sunday, 21 November 1999