Across
- 1. age a period of time when ice covers large areas of Earth
- 3. an Ice Age ancestor of the elephant
- 4. making tools from flint
- 7. an archaeologists who excavated the Horn Shelter
- 8. stone used by Paleoamericans for making tools
- 9. the study of artifacts from past cultures
Down
- 2. to dig and uncover artifacts carefully
- 5. the first people in North America
- 6. the nickname of the adult buried in the Horn Shelter