Pittsburgh Crossword

123456
Across
  1. 4. The nickname for the old Civic Arena
  2. 5. This city park has an ice-skating rink
  3. 6. The name of the dinosaur outside of the Carnegie Museum of Natural History
Down
  1. 1. Oldest shop on the Strip District
  2. 2. This vaccine was invented at Pitt
  3. 3. The first automobile-only tunnel in the United States