| Answer | Crossword Clue |
|---|---|
| SSR | Bygone map letters |
| SSR | Bygone map inits. |
| SSR | Bygone map abbr. |
| TWA | Bygone airline letters |
| ENE | Map letters |
| ESE | Map letters |
| ENE | Map letters. |
| USSR | Former map letters |
| SSR | Map letters, once |
| AVE | Street-map letters |
| ELEV | Topographic-map letters |
| SSR | Old map letters |
| USSR | Old map letters |
| SSR | Map letters until 1991 |
| USSR | Letters on an old map |
| USSR | Letters on an old Asian map |
| USSR | Letters on an old map of Asia |
