Below are possible answers for the crossword clue Sign there's some shale oil.
The most likely answer for the crossword clue Sign there's some shale oil is LEO.
We have found 1 possible answer for the crossword clue Sign there's some shale oil.
Clues like Sign there's some shale oil often appear in daily crosswords from publications such as The Times Specialist, The Sunday Times, The Sun Two Speed, The Sunday Times Mephisto, Financial Times Daily, among others.
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