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  1. Oregon. Close-up of Owyhee Picture Jasper stone
  2. Wyoming - USGS State Mosaic
  3. Cingulate gyrus in the brain, artwork
  4. Wright Flyer sculpture at Wright Brothers National Memorial, North Carolina
  5. Mt. Etna - USGS Earth as Art
  6. Solar System - Blue II
  7. Ambassador George Bush
  8. Solar System (Minimal)
  9. Molecule Estrogene
  10. Internal view of the human heart
  11. Boxing
  12. San Luis, Argentina - USGS Earth as Art
  13. Conceptual image of platelet, red blood cell and white blood cell
  14. Illustration of strip of land known as the 'fertile crescent'
  15. Rocky Mountains - USGS Earth as Art
  16. Roof of the World - USGS Earth as Art
  17. Vintage Civil War Print of General Ulysses S. Grant
  18. Terracotta Army
  19. Map of Palestine, Palestina Antiqua
  20. Marie Curie
  21. Harriet Tubman, 1911
  22. Neanderthals hunt a cave bear
  23. Blood clot, SEM
  24. Peter and the Mermaids
  25. Oregon - USGS State Mosaic
  26. Male skeleton, computer artwork.
  27. Alice and the White Knight, from 'Alice in Wonderland' by Lewis Carroll
  28. Book Cover of 'Jeanne d'Arc'
  29. Deinonychus
  30. Tyrannosaurus
  31. old-fashioned drawing compass
  32. Ida B. Wells
  33. Sigmund Freud
  34. Dice on math game
  35. Gold Leaf Agate
  36. Antique French Grape Press
  37. Anterior neck and facial muscles of the human head (with labels)
  38. Anterior view of human skull, with labels
  39. Solar System - Brown
  40. Barreal Blanco - USGS Earth as Art
  41. Map Of France, C.1900
  42. Alaska - USGS State Mosaic
  43. Knights of the Round Table
  44. Portrait of General William Tecumseh Sherman (1820-91)
  45. Row of pencils on table
  46. Circulatory system and brain, artwork
  47. Be Creative
  48. William Harvey