Crossword Puzzle Clue Answers
We've seen 1 answer for the crossword clue 'Mineral layer involved in fracking' in our database. It has been used in 1 crossword, the latest of which was the New York Times crossword on December 01, 2014.
Crossword answers for the clue "Mineral layer involved in fracking"
- SHALE
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Last Seen In
- New York Times - December 01, 2014