Related Clues:
- 94-day undertaking in the Cheryl Strayed memoir "Wild"
- Migrate
- Crichton novel menace
- Green beast in'' Toy Story''
- Long hard march
- "Jurassic Park" threat
- Long, hard trip
- Prehistoric terror, familiarly
- Difficult expedition
- Quite the hike
- "Children of the Revolution" band
- "20th Century Boy" band
- Chicken's ancient ancestor
- Punishing journey
- About to replace core part of track (a long path)