Dale's 85th birthday puzzle

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Across
  1. 3. tech support
  2. 6. shadowy bovine
  3. 7. favorite hunter
  4. 9. hydration ingredient
  5. 12. ______ 85th birthday
  6. 14. a return visitor
  7. 16. arch rival of 2 down
  8. 18. 50th high point
  9. 19. ______ Dallas or Wissy's progeny
  10. 20. center for those "sin casa"
Down
  1. 1. from boulevard to hills
  2. 2. cheered on by Clark
  3. 4. middle progeny
  4. 5. favorite composer of 16 across
  5. 8. computer wannabe
  6. 10. Chicago draw
  7. 11. best time of Florida day
  8. 13. dog or berry
  9. 15. do good in my "house"
  10. 17. Some prefer beef and some prefer this