Related Clues:
- It may block the Rhein
- Frozen Wasser
- Goddess of discord
- It might halt traffic on the Rhein
- Discordia's Greek counterpart
- Cologne cubes?
- Frozen water: Ger.
- Sue Grafton's ''--- for Evidence''
- Autobahn hazard
- Sue Grafton's '___ for Evidence'
- Tosser of the Apple of Discord
- Sue Grafton's "___ for Evidence"
- Ill-tempered goddess
- Cologne cooler
- Goddess with a golden apple