Mining

4. a region rich in deposits.
8. the process of making or growing something for sale or use.
9. type of mining in which soil and rock overlying the mineral deposit are removed.
12. a solid inorganic substance of natural occurrence.
14. assets that can be readily drawn upon when needed.

1. the loss or giving up of something as a penalty for wrongdoing.
2. protection from hurt, injury or loss.
3. the using up of a resource.
5. a natural layer of sand, rock, coal etc.
6. a person who extracts coal.
7. a supply of a commodity not needed for immediate use but available if required.
10. the action of returning something to a former owner, place or condition.
11. a combustible black or brown rock consisting of mainly carbonized plant matter, found in underground deposits.
13. a semiliquid mixture, typically of fine particles of cement, manure, or coal suspended in water.
15. remove or take out, especially by effort or force.