1. Tributary
2. Headwaters
3. Divide
4. Fall line
5. Hurricane
6. Underground railroad
7. Dry farming
8. Manufacturing belt
9. Sunbelt
10. Megalopolis
11. Jazz
12. Postindustrial
13. Foreclosure
14. Clear-cutting
15. Acid rain
16. Smog
17. Eutrophication
18. Aqueduct
19. Petrochemical
20. Agribusiness
21. Escarpment
22. Norther
23. Maquiladora
24. Metropolitan area
25. Mission
26. Empresario
27. Secede
28. Reservation
29. Diversification
30. Timberline
31. Chinook
32. Tar sands
33. Overfishing
34. Aquaculture
35. Inuit
36. First Nations
37. Dominion
38. Quebecois
39. Separatism
40. Loyalist
41. Emigrate
42. Old-growth forest

DUE MONDAY, OCTOBER 18