| Answer | Crossword Clue |
|---|---|
| ZIPCODE | 1963 system based on a 1944 Robert Moon proposal |
| Answer | Crossword Clue |
|---|---|
| ZIPCODE | 1963 system based on a 1944 Robert Moon proposal |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.