Across
- 3. Wall or barrier built to prevent flooding and directing the flow of water
- 5. Second hand evidence at a later time of a time or event
- 8. Small particles of rock, minerals, and soil carried in water
- 9. city that is an independent political state with its own government
Down
- 1. Arc of land stretching between rivers characterized by rich and fertile soil which supported the development of early civilizations
- 2. First hand evidence of a time or event
- 4. Historic region around Tigris and Euphrates Rivers where some of the earliest civilizations emerged
- 6. Channel dug by people used by boats or for irrigation
- 7. controlling or directing water to a place that is lacking a water source