Last seen in:
- The Times - Concise - Times2 Concise 6780 - August 1, 2015
- The Guardian - Quick crossword No 13,391 - Apr 10 2013
- New York Times - Apr 19 2009
- USA Today - Jan 5 2009
- New York Times - Jul 23 2008
- New York Times - Apr 29 2008
- The Guardian - Quick crossword No 10,718 - Sep 11 2004
- New York Times - Feb 27 2002
- The Guardian - Quick crossword No 9,816 - Oct 18 2001
Related Clues:
- 'A black molar in the jawbone of the nation's prison system' (T E Gaddis)
- A brig at sea, having left sailor in Mediterranean port
- Dennis book rock solid
- Large animal painter visiting extremists in old US jail
- Rocky island in San Francisco Bay
- Colony on rock
- Californian island
- Island in San Francisco Bay: a federal prison until 1963
- Island tour-guide, single one finding lost loves earlier
- UK territory
- Californian island with a prison until 1963
- Island in San Francisco Bay, a federal prison until 1963
- Notorious US prison
- British dependency near the southern tip of the Iberian peninsula
- Site of the West Coast's first lighthouse