| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Thu, Apr 16, 2020 | 51A | Least polluted | Alan Arbesfeld | Shortz |
| Mon, Jul 15, 2019 | 24A | Most unspoiled | Ed Sessa | Shortz |
| Mon, Nov 16, 2015 | 48D | Most unsullied | Jim Holland | Shortz |
| Mon, Aug 31, 1998 | 42D | Least tainted | Brendan Emmett Quigley | Shortz |
| Sat, May 23, 1998 | 47D | Least affected | Rich Norris | Shortz |
| Fri, Dec 26, 1997 | 5D | Least tainted | Bob Sefick | Shortz |
| Sun, Oct 15, 1995 | 106D | Most perfect | Mel Rosen | Shortz |