Clue: Long geological time period
Long geological time period is a crossword puzzle clue that we have spotted 7 times. There are related clues (shown below).
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Likely related crossword puzzle clues
Recent usage in crossword puzzles:
- Pat Sajak Code Letter - Feb. 21, 2017
- Washington Post - May 6, 2016
- USA Today - Oct. 24, 2015
- Pat Sajak Code Letter - July 11, 2008
- Universal Crossword - Aug. 2, 2006
- USA Today - Nov. 12, 2004
- Universal Crossword - Dec. 27, 2001