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) CatherineK, some rights reserved (CC BY-SA), uploaded by CatherineK
- 3. (c) Charlie Hohn, some rights reserved (CC BY), uploaded by Charlie Hohn
- 4. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 5. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 6. (c) Mathew Zappa, some rights reserved (CC BY), uploaded by Mathew Zappa
- 7. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 8. (c) Superior National Forest, some rights reserved (CC BY)
- 9. (c) lvconrad1977, some rights reserved (CC BY-NC), uploaded by lvconrad1977
- 10. (c) Andy Fyon, some rights reserved (CC BY-NC), uploaded by Andy Fyon
- 11. (c) Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker
- 12. (c) Chris Parker, some rights reserved (CC BY-ND)
- 13. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
- 14. (c) Leo Papandreou, some rights reserved (CC BY-NC-SA)
- 15. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 16. (c) Norma Malinowski, some rights reserved (CC BY-NC), uploaded by Norma Malinowski
- 17. (c) Minnesota Scientific and Natural Areas, all rights reserved, uploaded by Minnesota Scientific and Natural Areas
- 18. (c) Joe Bartok, some rights reserved (CC BY-NC), uploaded by Joe Bartok
- 19. (c) Jean-Marc, some rights reserved (CC BY-NC), uploaded by Jean-Marc
- 20. (c) Mallory S., some rights reserved (CC BY-NC), uploaded by Mallory S.
- 21. (c) Bob Peterson, some rights reserved (CC BY-SA)
- 22. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
- 23. (c) Chris Moody, some rights reserved (CC BY-NC)
- 24. (c) Cindy Kilpatrick, some rights reserved (CC BY)