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  1. Yukon Delta - USGS Earth as Art
  2. Bolivian Deforestation - USGS Earth as Art
  3. Garden City, Kansas - USGS Earth as Art
  4. Normal knee, X-ray
  5. Pinned broken leg, X-ray
  6. Soldiers at camp during the American Civil War
  7. Edrengiyn Nuruu - USGS Earth as Art
  8. Oregon. Close-up of Owyhee Picture Jasper stone
  9. Akpatok Island - USGS Earth as Art
  10. Alabama - USGS State Mosaic
  11. Pylons in a rural landscape at dusk
  12. Energy
  13. Chiropractic skeleton
  14. Wyoming - USGS State Mosaic
  15. Oregon. Close-up of Owyhee Picture Jasper stone
  16. Wright Flyer sculpture at Wright Brothers National Memorial, North Carolina
  17. Relief depiction of Ramses II, Temple of Luxor, Egypt
  18. Ambassador George Bush
  19. Mt. Etna - USGS Earth as Art
  20. Oregon - USGS State Mosaic
  21. San Luis, Argentina - USGS Earth as Art
  22. Rocky Mountains - USGS Earth as Art
  23. Roof of the World - USGS Earth as Art
  24. Terracotta Army
  25. Harriet Tubman, 1911
  26. Blood clot, SEM
  27. Ida B. Wells
  28. old-fashioned drawing compass
  29. Sigmund Freud
  30. Dice on math game
  31. Antique French Grape Press
  32. Gold Leaf Agate
  33. Alaska - USGS State Mosaic
  34. Barreal Blanco - USGS Earth as Art
  35. Row of pencils on table
  36. Lumbar vertebra
  37. The bones of the lower back
  38. Ratcliffe Power Station
  39. Australia - USGS Earth as Art
  40. Susan Brownell Anthony, c.1890-1906
  41. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  42. Scanning electron micrograph of just-divided HeLa cells
  43. Florida Everglades - USGS Earth as Art
  44. Rear view of acupuncture model
  45. Can You Help Me Please
  46. Plane over Battersea Power Station
  47. Scanning electron micrograph of an apoptotic HeLa cell
  48. Vermont - USGS State Mosaic