Edited by Minnesota Scientific and Natural Areas, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Tom Norton, some rights reserved (CC BY-NC), uploaded by Tom Norton
- 2. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 3. (c) Tom Brandt, some rights reserved (CC BY-SA)
- 4. (c) davecz2, some rights reserved (CC BY-SA), uploaded by davecz2
- 5. (c) C. Mallory, some rights reserved (CC BY-NC), uploaded by C. Mallory
- 6. (c) lvconrad1977, some rights reserved (CC BY-NC), uploaded by lvconrad1977
- 7. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
- 8. (c) Jurga Motiejūnaitė, some rights reserved (CC BY-NC), uploaded by Jurga Motiejūnaitė
- 9. (c) Leo Papandreou, some rights reserved (CC BY-NC-SA)
- 10. (c) Superior National Forest, some rights reserved (CC BY)
- 11. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 12. (c) Jason Hollinger, some rights reserved (CC BY)
- 13. (c) Janet Nelson, some rights reserved (CC BY-NC-ND), uploaded by Janet Nelson
- 14. (c) Charlotte Bill, some rights reserved (CC BY-NC), uploaded by Charlotte Bill
- 15. (c) Jeff Chapman, some rights reserved (CC BY-NC), uploaded by Jeff Chapman
- 16. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 17. (c) Jason Sturner, some rights reserved (CC BY)
- 18. (c) 2010 Keir Morse, some rights reserved (CC BY-NC-SA)
- 19. (c) Mallory S., some rights reserved (CC BY-NC), uploaded by Mallory S.
- 20. (c) Jacky Judas, some rights reserved (CC BY), uploaded by Jacky Judas
- 21. (c) David Greenberger, some rights reserved (CC BY-NC-ND), uploaded by David Greenberger
- 22. (c) InAweofGod'sCreation, some rights reserved (CC BY)
- 23. (c) Fluff Berger, some rights reserved (CC BY-SA), uploaded by Fluff Berger
- 24. (c) Cindy Kilpatrick, some rights reserved (CC BY)