ELLSWORTH, Kan. (AP) — The card from California arrived at the Ellsworth Post Office, addressed only to "Grandma and Grandpa, Rural Route, Ellsworth, Kansas."

In rural Kansas, mail clerks are expected to have encyclopedic knowledge of who lives where and is related to whom. Someone at the post office quickly remembered an older couple with family in California lived on the rural route and the card was successfully delivered to its intended recipients.

"I mean, it's just what you do," said Peggy Hand, a retired U.S. Postal Service clerk, recalling the 20-year-old episode.

Hand, 67, retired in M...