Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.

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9																			10
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				12													13
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22	23											24
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 Check 

Across: 2. High quality coal has lots of this 7. Main steelworks in Auckland 9. Amounts of coal are measured in this 12. Word for caving in of surface above mine 14. Underground mining leaves pillars and these 17. Coal burning causes a lot of this 18. The first stage of coal formation results in this 20. Form of underground mining using strong jets 21. Process of putting the mine back to original condition after mining 22. Region where most of coal mining in NZ occurs 24. Form of transport favoured to move bulky coal 27. This has to be removed before mining can start 29. Mining today requires a lot of these

Down: 1. This causes miners to have many health problems 3. An important consideration as to whether to mine 4. The increase in the price of this made coal mining attractive again 5. A person who extracts the coal 6. Mining today uses a lot of this 8. A rock containing a mineral is called this 10. Open cast mining uses a lot of this 11. The most common type of coal in New Zealand 13. A large open cast mine in New Zealand 15. This is needed for mining to occur 16. The first stage in the mining process 19. Young coal deposits contain a lot of this 23. Good coal produces little of this when burnt 25. A layer of rock containing coal 26. This is often planted on open cast mines after mining stops 28. This can cause explosions underground