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  1. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper stone
  2. External anatomy of the human eye (with labels)
  3. Emperor Napoleon in His Study at the Tuileries, by Jacques-Louis David, 1812
  4. Meat For the Tribe, 1891
  5. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  6. Four kinds of lamp: Edison, Maxim, Swan, and Werdermann
  7. Prohibition Headline, 1919
  8. Vintage Civil War print of the Battle of Franklin
  9. Strong Force
  10. Prague Astronomical Clock
  11. Civil War painting of Union and Confederate troops at The Battle of Shiloh
  12. Notorious RBG
  13. Davy Crockett: Hero of the Alamo
  14. The Capitol -East Front
  15. Explorers Wanted on the Journey to Mars
  16. Hudson Bay Trading Post On Flathead Indian Reservation, Montana Territory, c1860
  17. Solar System - Old
  18. Bruce McCandless floating free from spacecraft in orbit, 1984
  19. Religious Book Week, Good Books Build Character
  20. Anterior view of human skeletal system, with labels
  21. Development of the English alphabet
  22. Apache On Horseback, c1903
  23. Interior of the Library, Trinity College, Dublin, Eire (Republic of Ireland)
  24. Weak Force
  25. Scanning electron micrograph of a human T cell
  26. Abraham Lincoln, by George Peter Alexander Healy, 1860
  27. World War II: Headline, 1941
  28. Chalkboard Periodic Table
  29. Oilfield At Spindletop
  30. Coral Reef
  31. Andrew Jackson, by Thomas Sully, 1845
  32. George Washington, by Gilbert Stuart, c. 1803-05
  33. Grey Agate E
  34. The Hare Afraid by His Ears, La Fontaine's Fables
  35. Sinking Of The Titanic By Willy Stoewer
  36. Old Books on a Shelf
  37. The Reading Room on board the Titanic, 1912
  38. Einstein
  39. The Tea Party
  40. Zig Zag Pattern Crazy Lace Agate
  41. Underground Railroad Map
  42. Deschutes Jasper, Oregon
  43. Pharoahs of Egypt
  44. Eye
  45. Multi-Life
  46. Timeline of Animals
  47. Obama: Change
  48. Laguna Agate