Happy Birthday!

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Across
  1. 5. 3 Omaha
  2. 7. 17th and 36th Presidents
  3. 8. Square dance directive
  4. 10. /Skyjump at the _________
  5. 12. Save big money at _____
  6. 15. B52 Stratofortress maker
  7. 16. Green Acres Ava
  8. 17. Abbrv. for org founded by C Barton
  9. 20. goods.
  10. 23. Like a grandfather clock
  11. 25. /What car wipers are not for
  12. 29. Number of unseatbelted children to fit in a VW van
  13. 30. Nebraska State flower
  14. 31. Re-elected prez in 1936
  15. 33. 588 mile long tributary of the MO
  16. 36. Change it every 3k-6k
  17. 38. Long or tall case clock
  18. 40. County in NE; singer Mama ______
  19. 41. Beehive State buffet
  20. 42. Pennies _____ heaven.
  21. 43. Wilt the "___" Chamberlain stilt
Down
  1. 1. of bars invented by S Hinton an trademarked as "junglegym"
  2. 2. Best coffee: I'm lovin' it!
  3. 3. Location of annual Wisc. airshow
  4. 4. Estuary in MD and VA
  5. 6. AKA truffles
  6. 9. Soft-shelled or blue
  7. 11. Began as Riverview Park Zoo in 1894
  8. 13. VIII Abdicated the throne in to marry Simpson
  9. 14. /Pulley, as used for quick adventure sport
  10. 18. Part of house used for informal sale of
  11. 19. Formerly Army Air Corps.
  12. 21. Georgia Co. with CEO David P. Abney
  13. 22. A high step count chore.
  14. 24. Author of Sackett's Land,Last of the breed
  15. 25. anything of consequence; meaning of "B.C."
  16. 26. US territory closest to int'l date line
  17. 27. Hickory dickory dock the mouse ran up the __
  18. 28. Where Midas keeps his cattle?
  19. 32. /What NOT to roast in a garage
  20. 34. Tool like an ax; high point Scrabble word
  21. 35. /Winner of '36 World Series
  22. 37. /Type of open quadracycle
  23. 39. /Tile game from Rummy and Mahjong