Oak Island

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Across
  1. 2. Knights _______.
  2. 5. Ancient objects left behind.
  3. 7. Mathematical calculation and design
  4. 10. What everyone has been searching for!
Down
  1. 1. Ocean thief
  2. 3. Water underground
  3. 4. Offshore discovery site
  4. 6. Gold, silver and jewels
  5. 8. Farwell to _____ _____.
  6. 9. Man made hole