Charlie's Crazy Crossword

2. A mound or ridge of sand or other loose sediment formed by wind
4. an area of land overgrown with dense forest and tangled vegetation, typically in the tropics
6. large open area of grassland, especially in the Mississippi River valley
7. a narrow strip of land with sea on either side, forming a link between two larger areas of land
11. steep rock face, especially at the edge of the sea
13. A vast treeless Arctic region in which the subsoil is permanently frozen
14. isolated flat-topped hill with steep sides, found in landscapes with horizontal strata.
16. A group of islands
20. A large area of flat land with few trees
22. a deep gorge, typically one with a river flowing through it
23. a ring-shaped reef, island, or chain of islands formed of coral

1. isolated hill with steep sides and a flat top (similar to but narrower than a mesa).
3. large natural stream of water flowing in a channel to the sea, a lake, or another such stream
5. a hot spring that intermittently sends up fountain like jets of water and steam into the air
6. A piece of land that is almost surrounded by water
8. An area of low-lying, uncultivated ground where water collects
9. low lying land that is flooded in wet seasons or at high tide
10. A stretch of salt water that is separated from the sea by a low sandbox or coral reef
11. A large underground chamber, usually of natural origin
12. a long narrow arm of the sea bordered by steep cliffs
15. an artificial waterway for navigation, irrigation, etc
17. a wide strait in between a continent and an island
18. an area of relatively level high ground
19. A deep inlet of the sea almost surrounded by land
21. A body of water that is connected to an ocean or lake