Last seen in:
- Premier Sunday - King Feature Syndicate - Apr 19 2020
- Universal - Nov 25 2017
- Universal - Jul 23 2017
- The Telegraph - QUICK CROSSWORD NO: 28,002 - Jan 5 2016
- Eugene Sheffer - King Feature Syndicate - Dec 22 2015
- The Telegraph - QUICK CROSSWORD NO: 27,362 - Dec 16 2013
- Premier Sunday - King Feature Syndicate - Nov 20 2011
- USA Today - Jan 13 2005
Related Clues:
- Underworld route
- Site of Charon's ferry
- 'Kilroy Was Here' band
- "Kilroy Was Here" band
- Mythological river of the underworld
- 'Kilroy Was Here' group
- Group that sang the line 'I'm Kilroy!'
- A pigpen across a hellish river
- "Kilroy Was Here" group
- Group that sang the line "I'm Kilroy!"
- River that the dead drank from, in myth
- Water below doesn't move audibly
- River obstruction fixed by explosive
- Soundly secures spirits transported over this
- 'One more river' — and every character can follow 17