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  1. The Nine Year Siege of Troy
  2. Molecule Estrogene
  3. JPL Welcome Back
  4. Map Of France, C.1900
  5. Conversion
  6. Ireland Map
  7. Caribbean Luxury - USGS Earth as Art
  8. Knight's armor
  9. Washington's Entry Into New York On The Evacuation Of The City By The British In 1783
  10. Samuel Langhorne Clemens, 1835
  11. Shooting An Oil Well
  12. Taking Off..., illustration from 'Wings Across the World', 1978
  13. Primo Carnera, 1906 - 1967, Nicknamed The Ambling Alp, Italian Professional Boxer, 1938
  14. First Moon Men, Conceptual Art
  15. Idaho - USGS State Mosaic
  16. Running On The Wind
  17. Oil drilling rigs out in the ocean with a view of the coastline, Invergordon, Scotland
  18. Nikola Tesla
  19. Oregon, Owyhee. Close-up of picture jasper stone
  20. Ferry boat altered to gunboat during the American Civil War
  21. Oregon. Close-up of Owyhee Picture Jasper stone
  22. The Pirates of Penzance
  23. The Planets, excluding Pluto
  24. Scanning electron micrograph of an apoptotic HeLa cell
  25. Himalayas - USGS Earth as Art
  26. Christmas Jasper
  27. Beyond Our Solar System III
  28. Earth I
  29. Diphtheria treatment, artwork
  30. Oklahoma - USGS State Mosaic
  31. Geometry set
  32. Vermont - USGS State Mosaic
  33. Illustration showing the various parts that make up the sun
  34. The night raid on Coventry by German bombers during World War II
  35. O Is For Owl
  36. Abraham Lincoln, 1809
  37. Blood types, conceptual image
  38. Alice and the White Knight, from 'Alice in Wonderland' by Lewis Carroll
  39. Comet of 1811, 19th century artwork
  40. Volcanoes - USGS Earth as Art
  41. Astronomical Chart I
  42. Mars
  43. Soldiers at camp during the American Civil War
  44. The Inauguration Of First President Of The United States In 1789, New York
  45. Minnesota - USGS State Mosaic
  46. Earth's Moon VI
  47. Ice Stars - USGS Earth as Art
  48. The four terrestrial planets compared in scale