AMUR
Set to 6 different clues across 8 published puzzles, most often “Russia/China border river” — The New York Times, Monday, 22 September 2008.
4 letters
Every clue on record, most used first
- Russia/China border river2 times
The New York Times — Monday, 22 September 2008
- Russia/Manchuria boundary river2 times
The New York Times — Thursday, 20 May 2004
- Tatar Strait feederonce
The New York Times — Saturday, 4 October 2003
- Asian border riveronce
The New York Times — Saturday, 16 August 1997
- China-Russia boundary riveronce
The New York Times — Thursday, 20 February 1997
- Manchurian border riveronce
The New York Times — Tuesday, 21 June 1994