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3 total results for NIOBIUM( score: 50 )
2 results for NIOBIUM from Modern Era puzzles:
Date | Grid | Clue | Author | Editor |
Thu Jun 1, 2006 | 23A | Element named for a mythical queen | Ethan Cooper | Shortz |
Fri Oct 1, 1999 | 31D | Its principal ore is columbite | John Wolting | Shortz |
1 result for NIOBIUM from pre-Shortz puzzles:
Date | Grid | Clue | Author | Editor |
Fri Jan 18, 1985 | 39D | Element used in alloy steels | Kathryn Righter | Maleska |