| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| It took about 4 years, from 1763-67, for this pair to survey the boundary between Maryland & Pennsylvania | Mason & Dixon | $200 | J | FAMOUS SURVEYORS | 1991-06-21 | #1585 | |
| The last names of surveyors Charles & Jeremiah, who did their most famous work in the 1760s | Mason & Dixon | FJ | FAMOUS ENGLISHMEN | 1989-04-25 | #1082 |