Related Clues:
- Quite a stretch?
- Extreme stretches
- Loads of lifetimes
- How long it might take for a mountain to form
- Really long stretches of time
- Division of geologic time
- Time spent stuck in heavy traffic, seemingly
- For-ev-er
- Any of four in Earth’s history
- Long runs?
- Period of a billion years
- The Phanerozoic, e.g
- Super long unit of time
- Wait time at the DMV, seemingly
- Unbearable wait, seemingly