Across
- 3. a pile of glacial till at end of a glacier
- 4. land formation
- 5. body of ice that moves under its own weight
- 7. geological period of time
- 10. deposit of eroded materials
- 12. wearing away and transporting of materials
- 15. rock that was deposited by a glacier
Down
- 1. hill or ridge made of Loess
- 2. in Iowa city fossil ocean floor
- 6. loosely compact yellowish grey windblown sediment
- 8. natural movement of air
- 9. preserved remains
- 11. water that is frozen
- 13. solid mass of minerals
- 14. hydrogen and oxygen
- 15. till unsorted material, rock, sediment