YUMA

Set to 10 different clues across 12 published puzzles, most often “Arizona city” — The New York Times, Tuesday, 13 March 2007.

4 letters

Every clue on record, most used first

Arizona city3 times
The New York Times — Tuesday, 13 March 2007
Arizona county or its seatonce
The New York Times — Saturday, 1 January 2011
Where César Chávez was bornonce
The New York Times — Saturday, 24 October 2009
Desert in the Southwestonce
The New York Times — Sunday, 22 March 2009
Arizona birthplace of Cesar Chavezonce
The New York Times — Tuesday, 29 April 2008
City on the Coloradoonce
The New York Times — Thursday, 29 March 2007
City WSW of Phoenixonce
The New York Times — Monday, 1 November 2004
City in Arizonaonce
The New York Times — Monday, 10 February 1997
City on the Colorado Riveronce
The New York Times — Saturday, 26 October 1996
Colorado River cityonce
The New York Times — Saturday, 24 August 1996