1. SPECIMEN 1 Nostoc Organic-Walled Microfossil

2. SPECIMEN 2 Nostoc This Structure Fossil Hand Specimen

3. SPECIMEN 3 Nostoc Hand Specimen of Fossil

4. SPECIMEN 4 Nostoc

5. SPECIMEN 5 Nostoc Organic-Walled Microfossils

6. SPECIMEN 6 Nostoc This “Ball” Electron Photomicrograph

7. SPECIMEN 7 Nostoc Microscope Slide

8. SPECIMEN 8 Nostoc Electron Photomicrographs

9. SPECIMEN 9 Nostoc Microscope Slide

10. SPECIMEN 10 Nostoc

11. SPECIMEN 11 Nostoc Organic-Walled Microfossil This Opening

12. SPECIMEN 12 Nostoc This Position

13. SPECIMEN 13 Nostoc Organic-Walled Microfossil Electron Photomicrograph

14. SPECIMEN 14 Nostoc Microfossils

15. SPECIMEN 15 Nostoc

16. SPECIMEN 16 Nostoc

17. SPECIMEN 17 Nostoc These Slits Microfossil Slides

18. SPECIMEN 18 Nostoc Hand Sample (Rock Slab)

19. SPECIMEN 19 Nostoc

20. SPECIMEN 20 Nostoc

21. SPECIMEN 21 Nostoc Microfossil Thin Section This Chamber

22. SPECIMEN 22 Nostoc Microfossils

23. SPECIMEN 23 Nostoc Microfossil Slides

24. SPECIMEN 24 Nostoc Organic-Walled Microfossils These Openings

25. SPECIMEN 25 Nostoc Microscope Slide

26. SPECIMEN 26 Nostoc Organic-Walled Microfossils

27. SPECIMEN 27 Nostoc Scale Bars = 1 Millimeter

28. SPECIMEN 28 Nostoc Electron Photomicrographs

29. SPECIMEN 29 Nostoc This Groove Organic-Walled Microfossil

30. SPECIMEN 30 Nostoc This “Depression”

31. SPECIMEN 31 Nostoc

32. SPECIMEN 32 Nostoc Organic-Walled Microfossils

33. SPECIMEN 33 Nostoc Microfossils

34. SPECIMEN 34 Nostoc Electron Photomicrographs