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Photo Credits
- 1. (c) Cephas, some rights reserved (CC BY-SA)
- 2. (c) Sara Rall, some rights reserved (CC BY-NC), uploaded by Sara Rall
- 3. (c) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 4. (c) Mathew Zappa, some rights reserved (CC BY), uploaded by Mathew Zappa
- 5. (c) Franz Xaver, some rights reserved (CC BY-SA)
- 6. (c) pe_ma, some rights reserved (CC BY-NC-SA)
- 7. (c) Gravitywave, some rights reserved (CC BY-NC-SA)
- 8. (c) Colin Chapman-Lam, some rights reserved (CC BY-NC), uploaded by Colin Chapman-Lam
- 9. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
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- 11. (c) ljbrown, some rights reserved (CC BY-NC)
- 12. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 13. (c) Suzanne Cadwell, some rights reserved (CC BY-NC)
- 14. (c) peupleloup, some rights reserved (CC BY-SA)
- 15. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 16. (c) Greg Funka, some rights reserved (CC BY-NC), uploaded by Greg Funka
- 17. (c) Eli Sagor, some rights reserved (CC BY-NC)
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- 19. (c) Owen Strickland, some rights reserved (CC BY-NC), uploaded by Owen Strickland
- 20. (c) Lewnanny Richardson, some rights reserved (CC BY-NC), uploaded by Lewnanny Richardson
- 21. no rights reserved, uploaded by Reuven Martin
- 22. (c) Kingsbrae Garden, some rights reserved (CC BY-NC-SA)
- 23. no rights reserved, uploaded by rockybajada
- 24. (c) Patrick Coin, some rights reserved (CC BY-NC-SA)
- 25. (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar
- 26. (c) JanetandPhil, some rights reserved (CC BY-NC-ND)
- 27. (c) Charlotte Bill, some rights reserved (CC BY-NC), uploaded by Charlotte Bill
- 28. (c) peggyo, some rights reserved (CC BY-NC), uploaded by peggyo
- 29. (c) Sue Wetmore, some rights reserved (CC BY-NC), uploaded by Sue Wetmore
- 30. (c) Joe Walewski, some rights reserved (CC BY-NC), uploaded by Joe Walewski
- 31. (c) Leanne Wallis, some rights reserved (CC BY-NC), uploaded by Leanne Wallis
- 32. (c) Megan Sebasky, some rights reserved (CC BY-NC), uploaded by Megan Sebasky
- 33. (c) Shihmei Barger 舒詩玫, some rights reserved (CC BY-NC-ND)
- 34. (c) Owen Clarkin, some rights reserved (CC BY-NC), uploaded by Owen Clarkin
- 35. (c) Keith Kanoti, Maine Forest Service, USA, some rights reserved (CC BY)
- 36. (c) Tigran Tadevosyan, some rights reserved (CC BY), uploaded by Tigran Tadevosyan
- 37. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
- 38. (c) niznoz, some rights reserved (CC BY-NC-SA)
- 39. (c) charley, some rights reserved (CC BY-NC), uploaded by charley
- 40. (c) Sterling Sheehy, some rights reserved (CC BY), uploaded by Sterling Sheehy
- 41. (c) Erik Danielsen, some rights reserved (CC BY-NC), uploaded by Erik Danielsen
- 42. (c) Hermann Falkner, some rights reserved (CC BY-NC)
- 43. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 44. (c) Alex Melman, some rights reserved (CC BY-NC-SA)
- 45. (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner
- 46. (c) Varina Crisfield, some rights reserved (CC BY-NC-SA)
- 47. (c) Leo Papandreou, some rights reserved (CC BY-NC-SA)
- 48. (c) Superior National Forest, some rights reserved (CC BY)
- 49. (c) Rob Routledge, Sault College, Bugwood.org, some rights reserved (CC BY)
- 50. (c) Kari Pihlaviita, some rights reserved (CC BY-NC)
- 51. (c) Vilma Bharatan, some rights reserved (CC BY-NC-ND)
- 52. (c) "ND State Soil Conservation Committee. USDA NRCS ND State Office. United States, ND.", some rights reserved (CC BY-NC-SA)
- 53. (c) Steve Gray, some rights reserved (CC BY-NC), uploaded by Steve Gray
- 54. (c) Dave Scamardella, some rights reserved (CC BY-NC), uploaded by Dave Scamardella
- 55. (c) Nick Beck, some rights reserved (CC BY-NC-SA)
- 56. (c) Gertrud K., some rights reserved (CC BY-NC-SA)
- 57. (c) Stefano Doglio, some rights reserved (CC BY-NC), uploaded by Stefano Doglio
- 58. (c) Shuk Han (Nancy) Mak, some rights reserved (CC BY-NC), uploaded by Shuk Han (Nancy) Mak
- 59. (c) Arthur Chapman, some rights reserved (CC BY)
- 60. (c) JustTooLazy, some rights reserved (CC BY)
- 61. (c) libby_orcutt, some rights reserved (CC BY-NC), uploaded by libby_orcutt
- 62. (c) timmenzies on Flickr, some rights reserved (CC BY-SA)
- 63. (c) copepodo, some rights reserved (CC BY-NC-ND)
- 64. (c) anemoneprojectors (no internet at the moment), some rights reserved (CC BY-SA)
- 65. (c) Florian Prischl, some rights reserved (CC BY-SA)
- 66. (c) Doug Waylett, some rights reserved (CC BY)
- 67. (c) Brad Walker, some rights reserved (CC BY-NC), uploaded by Brad Walker
- 68. (c) brewbooks, some rights reserved (CC BY-SA), uploaded by brewbooks
- 69. (c) minjlee, some rights reserved (CC BY-NC), uploaded by minjlee
- 70. (c) Kristine Paulus, some rights reserved (CC BY)
- 71. (c) Matthew O'Donnell, some rights reserved (CC BY-NC-SA), uploaded by Matthew O'Donnell
- 72. (c) eknuth, some rights reserved (CC BY-NC), uploaded by eknuth
- 73. (c) nuthatch75, some rights reserved (CC BY-NC)
- 74. (c) Wolfgang Siebeneich, some rights reserved (CC BY-NC), uploaded by Wolfgang Siebeneich
- 75. (c) Steve Janke, some rights reserved (CC BY-NC), uploaded by Steve Janke
- 76. (c) Michael Rayner, some rights reserved (CC BY-NC), uploaded by Michael Rayner
- 77. (c) Ron Marusak, some rights reserved (CC BY-NC), uploaded by Ron Marusak
- 78. (c) Xavier Béjar, some rights reserved (CC BY-NC-SA)
- 79. (c) michiganwillie, some rights reserved (CC BY-NC), uploaded by michiganwillie
- 80. (c) Charlie Hohn, some rights reserved (CC BY), uploaded by Charlie Hohn
- 81. (c) Denise Krebs, some rights reserved (CC BY)
- 82. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
- 83. (c) Joshua Mayer, some rights reserved (CC BY-SA)
- 84. (c) Peter Nelson, some rights reserved (CC BY-NC), uploaded by Peter Nelson
- 85. (c) Kerry Woods, some rights reserved (CC BY-NC-ND)
- 86. (c) Claudia Daggett, some rights reserved (CC BY-NC)