Edited by Minnesota Scientific and Natural Areas, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Kent McFarland, some rights reserved (CC BY-NC)
- 2. (c) Tom Norton, some rights reserved (CC BY-NC), uploaded by Tom Norton
- 3. (c) anonymous, some rights reserved (CC BY-SA)
- 4. (c) jon hayes, some rights reserved (CC BY-NC)
- 5. (c) Charlie Hohn, some rights reserved (CC BY), uploaded by Charlie Hohn
- 6. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 7. (c) Joe Walewski, some rights reserved (CC BY-NC), uploaded by Joe Walewski
- 8. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
- 9. (c) lvconrad1977, some rights reserved (CC BY-NC), uploaded by lvconrad1977
- 10. (c) Ana Ka'ahanui, some rights reserved (CC BY-NC), uploaded by Ana Ka'ahanui
- 11. (c) Superior National Forest, some rights reserved (CC BY)
- 12. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 13. (c) Janet Nelson, some rights reserved (CC BY-NC-ND), uploaded by Janet Nelson
- 14. (c) Jeff Chapman, some rights reserved (CC BY-NC), uploaded by Jeff Chapman
- 15. (c) Mallory S., some rights reserved (CC BY-NC), uploaded by Mallory S.
- 16. (c) Charles Wohlers, some rights reserved (CC BY-NC-ND)