REMOVE

1. Geology
2. Book Map

WHAT

1. Geology Book (23)
2. Lakes (19)
3. Geography Book (11)

WHERE

1. Arizona (1)
2. Atlantic Ocean (1)
3. Black Hills (S.D. and Wyo … (1)
4. California (3)
5. Colne Valley (England) (1)
6. France (1)
7. Grand Canary (Canary Isla … (1)
8. Grand Canyon (Ariz.) (1)
9. Gulf of Finland (1)
10. Illinois (1)
11. Iowa (2)
12. Lake Superior (2)
13. Londonderry (Ireland) (1)
14. Mexico (2)
15. Michigan (1)
16. Minnesota (2)
17. Mississippi River Region (1)
18. Missouri River (2)
19. Montana (1)
20. Nebraska (4)
21. Nevada (21)
22. New York (2)
23. Pacific Ocean (1)
24. Paris (France) (1)
25. Platte River (1)
26. Pyramid Lake (Nev.) (2)
27. Russia (17)
28. Saint Petersburg (Russia) (1)
29. Siberia (Russia) (1)
30. South Dakota (2)
31. St. Petersburg (Russia) (1)
32. U.S. South West (1)
33. United States (12)
34. Utah (2)
35. Wisconsin (3)
36. Wyoming (3)
37. Yellowstone River (1)
38. Yorkshire (England) (1)

WHO

1. Bien, Julius (20)
2. Powell, J.W. (19)
3. Russell, Israel C. (19)
4. Russell, Israel C. (Isra … (19)
5. U.S. Govt. Print Office (19)

WHEN

1. 1885 (19)
2. 1842 (17)
3. 1852 (9)
4. 1982 (9)
5. 1858 (2)