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  1. Vintage School VI
  2. New Mexico - USGS State Mosaic
  3. Oscar Wilde, 1854 - 1900, Irish Poet And Playwright
  4. Man using laptop computer
  5. Puerto Rico - USGS State Mosaic
  6. Northern Norway - USGS Earth as Art
  7. North Carolina - USGS State Mosaic
  8. Portrait of Booker T. Washington sitting in a chair
  9. Oregon. Close-up of Owyhee Picture Jasper stone
  10. Normal spine, X-ray
  11. Australia, Northern Territory, Arnhem Land, Mt Borradaile, rock paintings
  12. Rice Terraces, Longsheng Ping'an, Guangxi
  13. Terracotta Warriors
  14. Portrait of naturalist and geologist Charles Darwin
  15. Barreal Blanco - USGS Earth as Art
  16. San Luis, Argentina - USGS Earth as Art
  17. The Titanic's propeller in the Thompson Graving Dock of Harland
  18. Io I
  19. Carte De Visite Of Edmonia Lewis, 1870
  20. The Rosetta Stone
  21. Pinned broken leg, X-ray
  22. Beyond Our Solar System V
  23. Meandering Mississippi - USGS Earth as Art
  24. The Sun I
  25. The sun sets behind a row of spinning windmills or wind turbines
  26. Titan II
  27. Abraham Lincoln Portrait, 1863
  28. The Sun III
  29. General George Patton during a ticker tape parade
  30. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  31. Officers of 4th New Jersey Infantry, American Civil War
  32. Lumbar vertebra
  33. Alaska - USGS State Mosaic
  34. The bones of the neck
  35. The Syrian Desert - USGS Earth as Art
  36. Mark Twain , 1901
  37. Rear view of acupuncture model
  38. Pylons in a rural landscape at dusk
  39. Ida B. Wells
  40. Our Solar System II
  41. Exoplanet HD 189733 B
  42. Women's Rights Parade, 1917
  43. Mary Mcleod Bethune (1875-1955)
  44. old-fashioned drawing compass
  45. Colours That Reflect Joy
  46. Artillery park during the American Civil War
  47. The Man and the Alembic
  48. Florida Everglades - USGS Earth as Art