DULUTH

Set to 4 different clues across 4 published puzzles, most often “Lake Superior port” — The New York Times, Tuesday, 10 August 2010.

6 letters

Every clue on record, most used first

Lake Superior portonce
The New York Times — Tuesday, 10 August 2010
Minnesota portonce
The New York Times — Monday, 28 March 2005
University of Minnesota campus siteonce
The New York Times — Monday, 21 June 2004
St. Lawrence Seaway terminusonce
The New York Times — Sunday, 9 November 1997