| Date | Type | Grid | Clue | Author | Editor |
|---|---|---|---|---|---|
| Apr 23, 2000 | Acrostic | V | What the Mohs scale measures | Emily Cox & Henry Rathvon | Shortz |
| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Fri May 24, 1991 | 29A | Severity | Daniel Girardi | Maleska |
| Sun Aug 4, 1946 | 77A | Severity. | Lester Keene | Farrar |
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