Last seen in:
- Premier Sunday - King Feature Syndicate - Mar 14 2021
- The New Yorker - Nov 12 2018
- Premier Sunday - King Feature Syndicate - Aug 2 2015
- Premier Sunday - King Feature Syndicate - Dec 7 2014
- New York Times - May 6 2014
- Newsday.com - Sep 2 2011
- New York Times - Aug 15 2010
- New York Times - May 19 2010
- Newsday.com - Feb 25 2010
- Premier Sunday - King Feature Syndicate - Jun 14 2009
Related Clues:
- Great time
- Zillions of years
- Billions of years, geologically
- Its make-up is many years
- What a waiting time may seem
- Mighty long time
- Quite a spell
- One billion years, in astronomy
- Long stretches
- Group of eras
- Series of periods
- Vast time period
- Geologic division
- Longest division of geological time
- Forever, figuratively