REMOVE

1. Livingston County (KY)
2. English

WHAT

1. Airports (1)
2. Ballard County (KY) (3)
3. Benton (KY) (1)
4. Calloway County (KY) (2)
5. Carlisle County (KY) (2)
6. Crittenden County (KY) (1)
7. Fulton County (KY) (1)
8. Graves County (KY) (4)
9. Hickman County (KY) (1)
10. image/jpg (4)
11. Lakes -- Barkley Lake (1)
12. Lakes -- Kentucky Lake (1)
13. Land Between the Lakes (1)
14. Lyon County (KY) (2)
15. Maps (1)
16. Maps -- McCracken County … (1)
17. Marshall County (KY) (4)
18. Massac County (IL) (1)
19. McCracken County (KY) (3)
20. Military bases (1)
21. Nuclear industry (1)
22. Paducah (KY) (1)
23. Rivers -- Clarks River (1)
24. Rivers -- Cumberland Rive … (1)
25. Rivers -- Mississippi Riv … (1)
26. Rivers -- Ohio River (2)
27. Rivers -- Tennessee River (3)
28. Trigg County (KY) (2)

WHO

1. Kentucky Department of Tr … (2)
2. Kentucky Geological Surve … (2)

WHEN

1. 1927 (1)
2. 1929 (1)
3. 1978 (1)
4. 1990 (1)