Battledfield Tour

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Across
  1. 3. 'Rum' P.E. fellow
  2. 6. Next to Sports Hall
  3. 9. Place foot (hard)on Geography teacher
  4. 10. Submarine says 'Goodbye ....... Brick Road'
  5. 11. Moon-walking P.E. Sports teacher
  6. 14. Cold War protagonist
  7. 15. Owls favourite and Blades Chairman
  8. 17. Where 3rd Ypres was fought
  9. 19. 'Dangerous' former teacher
  10. 20. 'Hot' player at the Lane
Down
  1. 1. Nickname of Blades before Blades
  2. 2. Current Chancellor of the Exchequer
  3. 4. Where does Endeavour's saint come from
  4. 5. Main British offensive of 1916
  5. 7. Nickname of Owls before Owls
  6. 8. Arkwright's assistant gives road its name
  7. 12. number of nearby hills
  8. 13. Now closed: Sheffield's Queen-like railway station
  9. 16. Head before the current Head
  10. 18. 'Cry havoc and let slip the dogs of .....'