Last seen in:
- Wall Street Journal - Oct 10 2015 - October 10, 2015 - B & B's
- Wall Street Journal - Feb 27 2015 - February 27, 2015 - Positive Reinforcement
- Wall Street Journal - Mar 28 2014 - March 28, 2014 - Sloganeering
- Wall Street Journal - Sep 6 2013 - September 6, 2013 - Academia Nuts
- Wall Street Journal - Apr 23 2010 - April 23, 2010 - Presented in 3-D
- Universal - Jul 19 2009
- Wall Street Journal - Dec 8 2006 - December 8, 2006 - Caveat Emptor
- New York Times - Dec 1 2005
Related Clues:
- Some collars and jackets
- Billion-year increments, in geology
- Geological period (Var.)
- Very long interval
- Long while
- Charlize Theron film, '-- Flux'
- Extremely long stretch
- Almost an eternity (Var.)
- Indefinitely long period
- Geologic span
- A billion years, in geology
- "___ Flux"
- A very, very long time (Var.)
- A billion years, to geologists
- Many generations