#17

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Across
  1. 2. A sandy isthmus
  2. 7. Colossal cataclysm, the greatest killer that ever was [8, 5]
  3. 8. Island mountain
  4. 9. Dinosaurs walking up walls [3, 5]
  5. 11. Exterminate.
  6. 13. Famed, iconic image of the Eagle Nebula [7, 2, 8]
  7. 14. Some of the largest and most revered elder natives of the Seychelles atoll [7, 5, 9]
Down
  1. 1. Behemoth of a grotto [3, 5, 4]
  2. 3. A South American rodent
  3. 4. Fertile desert spots
  4. 5. Liquid used in explosives
  5. 6. Small scale variations in the height or roughness of a surface
  6. 10. Darling of the Canadian investment community during the mid-1990s…until the scandal broke.
  7. 12. An organism that cannot swim effectively, so it drifts with the currents