Across
- 3. Mound-building Native American culture
- 6. Cliff dwellings of the Ancestral Puebloans in Colorado
- 7. Utah culture known for its distinctive pottery
- 8. Largest pre-Columbian empire in the Americas
- 11. Mississippi Valley civilization known for its mounds
- 13. Culture that flourished in the southwest
- 14. Ancient Pueblo people of the Southwest
- 15. Mesoamerican empire conquered by the Spanish
- 16. Classic Mesoamerican civilization known for its hieroglyphs
- 17. Louisiana site known for its earthworks
- 19. Prehistoric cultures known for constructing earthen mounds
- 20. Mesoamerican civilization in present-day Oaxaca, Mexico
Down
- 1. Widespread Native American culture known for its earthworks
- 2. Center of Ancestral Puebloan culture in New Mexico
- 4. Ancestors of modern Pueblo peoples
- 5. Desert-dwelling culture in present-day Arizona
- 9. Ancestral Puebloan culture centered in Chaco Canyon
- 10. Period marked by the use of copper in the Great Lakes region
- 12. Early Woodland period culture in Ohio River Valley
- 18. Earliest known major Mesoamerican civilization