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  1. Idaho - USGS State Mosaic
  2. Normal wrist, X-ray.
  3. Shooting An Oil Well
  4. Star trails and bioluminescence, Gippsland Lakes, Australia
  5. Running On The Wind
  6. Global Circulation Patterns Diagram
  7. Male reproductive system, artwork
  8. Blood types, conceptual image
  9. Bees - Vintage Educational Poster
  10. Heart anatomy, 18th century
  11. Bogda Mountains - USGS Earth as Art
  12. Oklahoma - USGS State Mosaic
  13. Artwork of Caudipteryx sp., a bird-like dinosaur
  14. Forensic evidence
  15. Stem cell, conceptual artwork
  16. Donati's Comet of 1858, artwork
  17. Diphtheria treatment, artwork
  18. Geography of the Heavens VI
  19. Scanning electron micrograph of an apoptotic HeLa cell
  20. Human spine, side view
  21. Explorer 1
  22. Nikola Tesla
  23. Astronomical Chart I
  24. Ice Stars - USGS Earth as Art
  25. Patent--Sewing Machine
  26. Computer memory chips
  27. Sets of fingerprints
  28. Conceptual image of platelets with red blood cells
  29. Cretaceous dinosaurs
  30. Microscopic view of DNA
  31. Pollen grains, SEM
  32. Sea salt, SEM
  33. Oregon, Owyhee. Close-up of picture jasper stone
  34. The analysis of sound frequencies by the basilar membrane
  35. Instruments for removing bladder stones
  36. Shame may be Fatal - WPA Poster
  37. Anterior view and sagittal view of female urinary bladder
  38. Geranium (Pelargonium sp.) leaves
  39. Dragon Lake - USGS Earth as Art
  40. Confidence of Alexander the Great into his physician Philippos, 1870
  41. Minnesota - USGS State Mosaic
  42. Vermont - USGS State Mosaic
  43. View looking from inside the mouth while at the dentist
  44. Male muscle anatomy of the human back
  45. Calcium phosphate crystal, SEM
  46. Oregon. Close-up of Owyhee Picture Jasper stone
  47. Artwork of effects of asthma inhaler on man's lung
  48. Gold Leaf Agate