Unflattening

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Across
  1. 1. Outdated communications system
  2. 3. characteristic of well-worn jeans
  3. 6. brow or ball
  4. 7. Brass drum
  5. 9. explicit content
  6. 10. Car is to land, as ship is to ___
  7. 12. PEMDAS function
  8. 14. “Gnarly __ dude”
  9. 16. synonym of influence (noun)
  10. 19. elephant clan
  11. 20. A beached whale’s location
  12. 23. & There
  13. 24. teacher’s daily agenda
  14. 26. Thank you note
  15. 28. Good luck charm
  16. 29. Bridal headdress
  17. 30. to believe an opinion is factual
  18. 31. Pocket change
Down
  1. 2. A Lumberjack’s favorite tool
  2. 4. playful hint
  3. 5. “Rip at the ___”
  4. 8. gives to a borrower
  5. 11. Woodwinds, brass, percussion
  6. 13. Polar or brown
  7. 15. 90°
  8. 17. follow the leader
  9. 18. Annoying noise in class
  10. 20. Seniors’ college letters
  11. 21. Sunday occurrence
  12. 22. privately owned vehicle
  13. 25. Research paper necessity
  14. 27. More than __ side to the story
  15. 31. keyboard function