Pittsburgh

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Across
  1. 1. additional games leading up to the super bowl
  2. 5. mills industry that makes steel
  3. 7. a scientific procedure in order to discover something
  4. 8. reception the play is a pun derived from the Immaculate Conception
  5. 9. recognizable feature
  6. 10. to be combined together
Down
  1. 2. chloride the chemical being used to make the salt in the salt trucks
  2. 3. not expected or didn't suspect
  3. 4. defeat or become top notch
  4. 6. being put to get/ to be official