Across
- 2. is used to heat our houses and cook our food.
- 4. is the book by Aldo Leopold that forms the basis of wildlife management today
- 9. a resource that can be used again
- 10. forests are needed to produce wood
- 13. coal and oil are ___________ resources
- 15. was the head of the USDA Forestry Division when it became the United States Forest Service
Down
- 1. a black or brown developed from plants that dies between 1 million years and 400 million years ago
- 3. most of all the food and natural fibers are provided by
- 5. there are _________ main types of underground coal mines
- 6. Soil __________________is the main side effect of food and fiber production.
- 7. Soil_____________ districts had local farmers, business people and others that wanted to conserve water and soil.
- 8. _____________ is a black gold
- 11. made interstate transportation of game taken against state law a federal crime
- 12. used to be a natural resource for providing heat
- 14. is suitable for farming