Clue: One billion years, in geology
We have 1 answer for the clue One billion years, in geology. See the results below.
Possible Answers:
Related Clues:
- Long time
- Phanerozoic, for instance
- Waiting period, seemingly
- Long, long time
- Quite a while
- Age
- Forever, or close to it
- Lots of time
- Interminable time
- A billion years
Last Seen In:
- Universal - January 10, 2016
- USA Today - May 16, 2011
- USA Today - April 09, 2009
- USA Today - June 14, 2007
- New York Times - July 18, 1997
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