Related Clues:
- Lo-o-ong stretch
- Approaches one's golden years
- Extremely extended stretch
- L-o-o-n-g time
- Girl disheartened for very long time
- Periods with names
- Approaches another birthday
- Two or more eras of geological time
- One million years
- Cosmologist's time unit
- Some postage stamps from the Belle ?poque and the Fin de Si?cle
- Measure of geologic time
- Division in geology
- Vast geological time
- Immeasurable period of time