Edited by Minnesota Scientific and Natural Areas, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
- 2. (c) Tom Norton, some rights reserved (CC BY-NC), uploaded by Tom Norton
- 3. (c) Luciana Ranelli, some rights reserved (CC BY-NC), uploaded by Luciana Ranelli
- 4. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 5. (c) Tom Brandt, some rights reserved (CC BY-SA)
- 6. (c) Superior National Forest, some rights reserved (CC BY)
- 7. (c) lvconrad1977, some rights reserved (CC BY-NC), uploaded by lvconrad1977
- 8. (c) Patti Smith, some rights reserved (CC BY-NC), uploaded by Patti Smith
- 9. (c) Chris Parker, some rights reserved (CC BY-ND)
- 10. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
- 11. (c) Leo Papandreou, some rights reserved (CC BY-NC-SA)
- 12. (c) Eric Guimbard, some rights reserved (CC BY-NC-SA)
- 13. (c) Anita, some rights reserved (CC BY-NC-SA)
- 14. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 15. (c) Kari Pihlaviita, some rights reserved (CC BY-NC), uploaded by Kari Pihlaviita
- 16. (c) Charles Wohlers, some rights reserved (CC BY-NC-ND)
- 17. (c) Alex Abair, some rights reserved (CC BY-NC), uploaded by Alex Abair
- 18. (c) Charlotte Bill, some rights reserved (CC BY-NC), uploaded by Charlotte Bill
- 19. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
- 20. (c) Suzanne Cadwell, some rights reserved (CC BY-NC)
- 21. (c) Bas Kers (NL), some rights reserved (CC BY-NC-SA)
- 22. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
- 23. (c) leojpa, some rights reserved (CC BY-NC)
- 24. (c) Mallory S., some rights reserved (CC BY-NC), uploaded by Mallory S.
- 25. (c) Anita Gould, some rights reserved (CC BY-NC), uploaded by Anita Gould