Across
- 3. they are dug up to obtain ground water
- 5. the large-scale introduction of manufacturing, advanced technical enterprises, and other productive economic activity into an area, society, country
- 6. a wise and careful use of resources
- 7. a barrier constructed to hold back water and raise its level
Down
- 1. water found below the water table
- 2. the cutting down of trees
- 4. a large natural or artificial lake used as a source of water supply.