Clue: An oil source
An oil source is a crossword puzzle clue that we have spotted 3 times. There are related clues (shown below).
Referring crossword puzzle answers
Likely related crossword puzzle clues
Recent usage in crossword puzzles:
- Universal Crossword - March 20, 2006
- New York Times - Jan. 12, 1988
- New York Times - Aug. 15, 1987
