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Photo Credits
- 1. (c) cassi saari, some rights reserved (CC BY-NC), uploaded by cassi saari
- 2. (c) masaaki2019, some rights reserved (CC BY-NC), uploaded by masaaki2019
- 3. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 4. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 5. (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar
- 6. (c) Superior National Forest, some rights reserved (CC BY)
- 7. (c) ljbrown, some rights reserved (CC BY-NC)
- 8. (c) CameliaTWU, some rights reserved (CC BY-NC-SA)
- 9. (c) Michael Ellis, some rights reserved (CC BY), uploaded by Michael Ellis
- 10. (c) CatherineK, some rights reserved (CC BY-SA), uploaded by CatherineK
- 11. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 12. (c) JanetandPhil, some rights reserved (CC BY-NC-ND)
- 13. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 14. (c) Jason Hollinger, some rights reserved (CC BY-ND)
- 15. (c) billy liar, some rights reserved (CC BY-NC-SA)
- 16. (c) Noel Pennington, some rights reserved (CC BY-NC), uploaded by Noel Pennington
- 17. (c) Frank Mayfield, some rights reserved (CC BY-SA)
- 18. (c) Erik Danielsen, some rights reserved (CC BY-NC), uploaded by Erik Danielsen
- 19. (c) ben_montgomery, some rights reserved (CC BY-NC), uploaded by ben_montgomery
- 20. (c) Carol Foil, some rights reserved (CC BY-NC-ND)
- 21. (c) Laura Breeden, some rights reserved (CC BY-NC), uploaded by Laura Breeden
- 22. (c) tlit46, some rights reserved (CC BY-NC), uploaded by tlit46
- 23. (c) Damon Taylor, some rights reserved (CC BY-NC-SA)
- 24. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
- 25. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
- 26. (c) Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker
- 27. (c) Michelle Martin, some rights reserved (CC BY-NC), uploaded by Michelle Martin
- 28. (c) Jimmy Smith, some rights reserved (CC BY-NC-ND)
- 29. (c) Joshua Mayer, some rights reserved (CC BY-SA)
- 30. (c) Virginia (Ginny) Sanderson, some rights reserved (CC BY-NC-ND)
- 31. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
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- 34. (c) seankent, some rights reserved (CC BY-NC), uploaded by seankent
- 35. (c) Mathew Zappa, some rights reserved (CC BY), uploaded by Mathew Zappa
- 36. (c) Colin Meurk, some rights reserved (CC BY-SA), uploaded by Colin Meurk
- 37. (c) Jean-Pol GRANDMONT, some rights reserved (CC BY-SA)
- 38. (c) Román Castañeda Vázquez, some rights reserved (CC BY-NC-SA), uploaded by Román Castañeda Vázquez
- 39. (c) charley, some rights reserved (CC BY-NC), uploaded by charley
- 40. (c) Dylan, some rights reserved (CC BY-NC), uploaded by Dylan
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- 42. (c) Chris, some rights reserved (CC BY-NC), uploaded by Chris
- 43. (c) Amy Beth Workman, some rights reserved (CC BY-NC), uploaded by Amy Beth Workman
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- 45. (c) Ana Ka'ahanui, some rights reserved (CC BY-NC), uploaded by Ana Ka'ahanui
- 46. (c) Haley Selen, some rights reserved (CC BY-NC), uploaded by Haley Selen
- 47. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 48. (c) Nate Martineau, some rights reserved (CC BY-NC), uploaded by Nate Martineau
- 49. (c) Mark Kluge, some rights reserved (CC BY-NC-ND), uploaded by Mark Kluge
- 50. (c) jon hayes, some rights reserved (CC BY-NC)
- 51. (c) manual crank, some rights reserved (CC BY-NC-SA)
- 52. (c) Jason Hollinger, some rights reserved (CC BY)
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- 55. (c) Dave Bonta, some rights reserved (CC BY-SA)
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- 57. (c) harum.koh, some rights reserved (CC BY-NC-SA), uploaded by harum.koh
- 58. (c) Peter Gorman, some rights reserved (CC BY-NC-SA)
- 59. (c) Mark Nenadov, some rights reserved (CC BY-NC), uploaded by Mark Nenadov
- 60. (c) Gordilly, some rights reserved (CC BY-NC-ND)
- 61. (c) Joseph D Kurtz, some rights reserved (CC BY-NC), uploaded by Joseph D Kurtz
- 62. (c) 57Andrew, some rights reserved (CC BY-NC-ND)
- 63. (c) Owen Wolter, some rights reserved (CC BY-NC-ND)
- 64. (c) Anita, some rights reserved (CC BY-NC)
