| Answer | Crossword Clue |
|---|---|
| SSR | Old map initials |
| USSR | Old map initials |
| USSR | Former map initials |
| SSR | Former map initials |
| USSR | Old map letters |
| USSR | Old map abbr. |
| SSR | Old map letters |
| SSR | Old map abbr. |
| UAR | Old map abbr. |
| UAR | Old map. inits. |
| SSR | Old map inits. |
| SSR | Old European map abbr. |
| TERRA | ... incognita (old map notation) |
| TERRA | ..... incognita (old map notation) |
| SEAMONSTER | Old sailing map depiction |
| USSR | Letters on an old map |
| SEAMONSTER | Figure on an old map |
| USSR | Letters on an old Asian map |
| SEASERPENT | Image on many an old map |
| USSR | Letters on an old map of Asia |
| TERR | Abbr. on an old map of the West |
