Last seen in:
- Wall Street Journal - Oct 5 2019 - Played Out
- L.A. Times Daily - Dec 22 2017
- The Washington Post - Dec 22 2017
- The Telegraph - QUICK CROSSWORD NO: 28,222 - Sep 17 2016
- New York Times - Mar 6 2016
- New York Times - Dec 7 2014
- L.A. Times Daily - May 3 2009
- L.A. Times Daily - Jul 24 2008
- USA Today - Aug 23 2004
Related Clues:
- Important periods
- 365 billion days, astronomically
- Interminable stretch
- They may be checked at the door
- Almost eternity
- Longish span of time
- Millennia on end
- Bronze and Iron, e.g.
- Ever so long
- Geological span
- Becomes drinkable, perhaps
- Grows old gracefully
- Geologic divisions
- Iron and Bronze, e.g.
- History unit