Signed, Sealed, Delivered - A USPS Journey

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Across
  1. 3. – Delivery speed between Priority and Parcel Post
  2. 5. – Zone Improvement Plan (ZIP)
  3. 6. – "Victory Mail" used during WWII by U.S. troops
  4. 8. – Replaced horses for deliveries
  5. 10. – Where you went before USPS.com
  6. 12. – What carriers used before motorized vehicles
  7. 14. – Free service for moving mail to a new address
  8. 16. – Benjamin Franklin was the first Postmaster General
Down
  1. 1. – USPS's overnight premium delivery service introduced in 1970
  2. 2. – Dead Letter Office handled undeliverable mail
  3. 4. – Service introduced in 1955 that requires a signature
  4. 7. – Small container for receiving letters
  5. 9. – Before becoming USPS in 1971, it was the U.S. Post Office Department
  6. 11. – From the famous USPS motto: “...nor gloom of night...”
  7. 13. – Introduced in 1963 to streamline mail sorting
  8. 15. – First U.S. postage stamp featured George Washington