Rainy Day in PA

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Across
  1. 3. Warship on which C. V. Gridley operated the conning tower
  2. 4. The "shoe wizard" of York County
  3. 5. Birthplace of the banana split
  4. 9. Berks County community whose auto body company built a car for Rudolph Valentino
  5. 10. Father of the typewriter and inventor of the QWERTY keyboard
  6. 11. Norwegian violinist who tried to establish a colony in Potter County (two words)
  7. 12. Pottsville football team champions
  8. 14. Japanese-American furniture pioneer of Bucks County
  9. 16. Philadelphia water works designed like Greek temples
  10. 17. Last name of the man for whom Eckley Miners' Village was named
  11. 18. Oldest still-operating roller coaster in the world
  12. 20. Last name of "the Great Commoner"
Down
  1. 1. The "Angel of Gettysburg" (two words)
  2. 2. Subject of the first blue and gold historical marker (two words)
  3. 6. The primary color of our state flag
  4. 7. Last name of our first governor
  5. 8. Alleged organization of those hanged on "the day of the rope" (two words)
  6. 13. Oldest residential building in Lehigh County (two words)
  7. 15. Last name of the founder of the Monroe County seat
  8. 19. "Female college" which once thrived in Mechanicsburg