Across
- 5. the number of people in an area of land.
- 7. baseball stadium located downtown Baltimore.
- 9. chemical or physical waste.
- 12. in or near cities.
- 14. landmark in Philadelphia.
- 15. buying and selling of goods.
Down
- 1. New York City landmark.
- 2. oldest public park in the nation located in Boston.
- 3. 9/11 landmark in NYC.
- 4. also known as Iron City.
- 6. 2nd largest city in the Northeast.
- 8. 3rd largest city in the Northeast.
- 10. 1st largest city in the Northeast.
- 11. hub for business in New York City.
- 13. small towns and farms.