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  1. California - USGS State Mosaic
  2. Outback Abstract
  3. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  4. USA, Washington State, Sammamish, Close-Up Banded Agate
  5. State Posters - North Carolina State Gemstone: Emerald
  6. The unique looking Fire Wave at dusk, taken at the Valley of Fire, near Las Vegas.
  7. Oregon - USGS State Mosaic
  8. Gamboge Agate II
  9. Arizona, close-up of petrified wood
  10. mineral
  11. Agate Sample
  12. State Posters - South Carolina State Gemstone: Amethyst
  13. Byrd Glacier - USGS Earth as Art
  14. Family Blessing - Sentiment
  15. Amethyst
  16. Ammonite
  17. Malachite
  18. Close-up of Condor Agate stone
  19. Petrified Wood close-up
  20. Lava Cliff
  21. Banded sandstone rock
  22. Banded Iron I
  23. Ganges River Delta - USGS Earth as Art
  24. Tiger Iron II
  25. Lake Disappointment - USGS Earth as Art
  26. Coahuila, Mexico - USGS Earth as Art
  27. Jordan - USGS Earth as Art
  28. Delaware - USGS State Mosaic
  29. The Dardzha Monster - USGS Earth as Art
  30. Blue lace agate
  31. Strata In Rock Formation Along Verzasca River
  32. State Posters - Arkansas State Mineral: Quartz
  33. Waziristan Hills - USGS Earth as Art
  34. Wyoming - USGS State Mosaic
  35. Ocean Jasper from Madagascar
  36. Coloured coastal rock
  37. Mt. Etna - USGS Earth as Art
  38. Blue Gemstones Found Near Jodhpur
  39. State Posters - Colorado State Mineral: Rhodochrosite
  40. Bolivian Deforestation - USGS Earth as Art
  41. Rock Formations In Mono Lake
  42. USA, Washington State, Sammamish, Close-Up Banded Agate
  43. Sandstone Formations in the Fiery Furnace, Arches National Park, Utah
  44. Excavation at Galeria
  45. Illinois - USGS State Mosaic
  46. Okavango Delta - USGS Earth as Art
  47. Swirl pattern on Deschutes Jasper Slab
  48. Strata In Rock Formation Along Verzasca River