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2 total results for KEROGEN( score: 30 )
1 result for KEROGEN from Modern Era puzzles:
Date | Grid | Clue | Author | Editor |
Tue Mar 1, 2016 | 37A | Oil-producing matter in shale | Freddie Cheng | Shortz |
1 result for KEROGEN from pre-Shortz puzzles:
Date | Grid | Clue | Author | Editor |
Fri Nov 30, 1990 | 42A | Source of shale oil | Jesse Roarke | Maleska |