Ordnance Survey Crossword

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Across
  1. 2. Four Corners of the World
  2. 6. Used to tell someone where you are
  3. 7. Where you are (Also a TV Show)
  4. 8. How far you are
  5. 9. Shows N/S
  6. 10. The difference between Distances on a map
Down
  1. 1. So that you dont get caught out
  2. 3. Where are you going
  3. 4. Shortened to OS
  4. 5. So that you can understand the code on the map