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