This crossword clue is for the definition: Petroleum source.
it’s A 16 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Petroleum source crossword” or “Petroleum source crossword clue”. The possible answerss for Petroleum source are listed below.
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Possible Answers: SHALE.
Last seen on: LA Times Crossword 22 Jul 2018, Sunday