Pennsylvania 2nd State

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Across
  1. 1. The Declaration of Independence was signed here.
  2. 4. This AFC Football Team won 6 Superbowls.
  3. 7. State's capital
  4. 8. Vaccine invented in Pittsburg in 1955.
  5. 9. Half of America's mushrooms are grown here.
  6. 10. This city is America's chocolate capital
Down
  1. 2. Location of the famous weather forecasting ground hog.
  2. 3. State's nickname
  3. 5. sandwich invented by Jim Delligatti and served in Uniontown in 1967.
  4. 6. State's bird