Last seen in:
- Eugene Sheffer - King Feature Syndicate - Sep 20 2024
- L.A. Times Daily - Aug 20 2023
- The Washington Post - May 29 2019
- L.A. Times Daily - May 29 2019
- Eugene Sheffer - King Feature Syndicate - May 9 2017
- L.A. Times Daily - Apr 21 2016
- L.A. Times Daily - Sep 6 2015
- L.A. Times Daily - Oct 28 2014
- Eugene Sheffer - King Feature Syndicate - Oct 17 2014
- USA Today - Jun 15 2014
Related Clues:
- Rock in which fossils can be found
- Rock with many bands
- Flaky mineral that's an anagram of 15 Down
- Granite-like rock in Dordogne is spectacular
- Rock source of petroleum
- Mineral with thin layers
- Mineral providing some chemicals
- Thin-layered sedimentary rock
- Mineral whose name is Latin for “crumb”
- Mineral used as insulator
- Isinglass, a rock-forming mineral
- Hospital in transaction for source of gas
- Carelessly singes coarse-grained rock
- Coarse-grained rock usually composed of quartz, felspar or mica
- Rock involved in fracking