| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Sun, Jul 12, 2009 | 101A | Field for a fault-finder? | Alan Arbesfeld | Shortz |
| Fri, Jun 08, 2007 | 8D | Topic in oil exploration | Randolph Ross | Shortz |
| Tue, Nov 29, 1994 | 19D | Science course | Bernice Gordon | Shortz |
| Sat, Feb 26, 1994 | 41D | One aspect of earthquake study | Bob Klahn | Shortz |