Jack Anderson

2. Underground hollow often having an opening in the side of a hill or cliff
4. In deserts and on beaches, windblown sands that have formed hills
5. A narrow waterway or channel connecting two larger bodies of water
10. An inland grassland area
11. Point of land projecting into a body of water
12. An artificial waterway used for irrigation or travel
13. A river or stream that flows into a larger river or stream
16. Natural hot spring that emits a column of water and steam into the air
17. High, steep or overhanging rock face
19. Area of barren land with roughly eroded ridges and peaks
21. Lowland between mountain ranges or hills often having a river or stream running along the bottom
22. A stream of water of considerable volume
23. Body of water partially enclosed by land with a wide outlet to the ocean
24. Vast treeless plains with permafrost and small, low plants

1. Body of water completely surrounded by land
3. Hill that rises abruptly from surrounding area with sloping sides and a flat top
6. Narrow piece of land that connects two large landmasses and separates two bodies of water
7. Long, wide body of water connecting larger bodies of water, larger than a channel
8. Shallow pool of water at the center of an atoll
9. Piece of land that is surrounded by water on three sides
10. Flat or gently rolling lands
11. Deeper part of a river or harbor
14. Sandy, pebbly or rocky shore of a body of water
15. Large body of ice that moves across the Earth’s surface
18. Dense growth of trees and other plants covering a large area
20. Lowland region saturated by water