Across
- 4. someone who works to protect the environment
- 6. has 15 volcanos
- 7. Has over 5,000 architecture sites and are one of the best preserved.
- 8. Has the biggest tree in the world
- 9. all animal life in the national park
Down
- 1. a map that shows symbols to represent physical and human features
- 2. Yellowstone Caldera
- 3. Located in the Great Lakes
- 5. has 3.3 million acres of unspoiled land
- 9. all plant life in the parks