REMOVE

1. Geology
2. World Atlas
3. Central America
4. 1849

WHAT

1. Geologic Atlas (135)
2. Atlas Map (116)
3. Oceans/Seas (75)
4. Index Page (7)

WHERE

1. Alaska (29)
2. Aleutian Islands (3)
3. Aleutians (1)
4. Aleutuan Islands (1)
5. Antarctica (1)
6. Arctic Ocean (2)
7. Arizona (1)
8. Atlantic (3)
9. Bahamas (1)
10. Beaufort Sea (2)
11. Belize (1)
12. Bering Sea (9)
13. California (8)
14. Canada (1)
15. Caribbean (3)
16. China (1)
17. Crater Lake National Park (2)
18. Curry County (Ore.) (1)
19. Douglas County (Ore.) (2)
20. Falkland Islands (GB) (1)
21. Glacier National Park (1)
22. Gulf of Mexico (2)
23. Hawaii (3)
24. Hells Canyon (Idaho) (1)
25. Inyo County (Calif.) (4)
26. Kings Canyon National Par … (1)
27. Lincoln County (Ore.) (1)
28. Long Valley Caldera (1)
29. Malvinas Islands (1)
30. Mexico (3)
31. Mono County (Calif.) (3)
32. Mono-Inyo Craters (2)
33. Monterey County (Calif.) (6)
34. Morocco (1)
35. Mount Baker (Ore.) (1)
36. Mount Galway (1)
37. Mount St. Helens (Wash.) (17)
38. Mount Whitney (1)
39. North Pacific (9)
40. Northwest (1)
41. Oceania (1)
42. Oregon (4)
43. Oregon Dunes National Rec … (2)
44. Pacific (9)
45. Pacific County (Wash.) (1)
46. Papua New Guinea (1)
47. Peru (1)
48. Russian Federation (1)
49. San Francisco Bay Area (1)
50. Sequoia and Kings Canyon … (2)
51. Sierra Nevada (6)
52. Skamania County (Wash.) (17)
53. Solomon Islands (1)
54. South America (2)
55. Spain (1)
56. Strait of Juan de Fuca (1)
57. Tintic District (Utah) (1)
58. Tonga (1)
59. Trinity County (Calif.) (1)
60. Tulare County (Calif.) (1)
61. Umpqua (Oregon) (1)
62. Utah (1)
63. Vanuatu (1)
64. Venezuela (1)
65. Washington (4)
66. West Indies (3)
67. Yosemite National Park (2)

WHO

1. Alpha, Tau Rho (135)
2. U.S. Geological Survey (135)
3. Morley, James M. (41)
4. Detterman, Janis S. (23)
5. Jones, David R. (8)

WHEN

1. 1988 (155)
2. 1970 (13)
3. 1978 (11)
4. 1982 (11)
5. 1972 (9)