REMOVE

1. Landforms
2. Physical

WHAT

1. Physical Atlas (79)
2. Atlas Map (78)
3. Geology (60)

WHERE

1. Alaska (2)
2. Algeria (2)
3. Arizona (3)
4. Atlantic City (N.J.) (1)
5. California (9)
6. Colorado (7)
7. Corpus Christi (Texas) (1)
8. Egypt (1)
9. Europe (1)
10. Florida (2)
11. France (2)
12. Georgia (1)
13. Hawaii (3)
14. Idaho (4)
15. Illinois (3)
16. Indiana (2)
17. Iowa (1)
18. Jacksonville (Fla.) (1)
19. Jacksonville (Ill.) (1)
20. Kansas (1)
21. Kentucky (3)
22. Kilauea Volcano (Hawaii) (1)
23. Louisiana (2)
24. Maine (2)
25. Mariana Islands (1)
26. Massachusetts (2)
27. Mauna Loa (Hawaii Island, … (1)
28. Michigan (1)
29. Minnesota (1)
30. Montana (4)
31. Morocco (1)
32. Mount Rainier (Wash.) (1)
33. Nebraska (1)
34. Nevada (1)
35. New Jersey (1)
36. New Mexico (2)
37. New York (6)
38. Norway (1)
39. Ohio (1)
40. Oregon (3)
41. Pennsylvania (2)
42. Puerto Rico (1)
43. Rhode Island (1)
44. Russia (1)
45. San Andreas Fault (Calif. … (1)
46. South Dakota (1)
47. Texas (2)
48. United States (2)
49. Utah (8)
50. Virginia (2)
51. Washington (2)
52. Wisconsin (3)
53. World (1)
54. Wyoming (4)
55. Yosemite Valley (Calif.) (1)

WHO

1. Chapman, R.B. (79)
2. John Wiley & Sons Inc. (79)
3. McCormack, J.C. (79)
4. O'Brien, Emmett J (79)
5. Scovel, James L. (79)

WHEN

1. 1966 (79)
2. 1882 (2)
3. 1917 (1)
4. 1956 (1)
5. 1957 (1)