Skip to clue answerAll Newsday Crossword clues for December 31 2025
ABOUT THE GAME
NEWSDAY CROSSWORDNewsday
Mississippi River source
Newsday Crossword crossword clue & answer.
THE MISSING PIECE
Mississippi River source
The answer to “Mississippi River source” is tucked just below. Open it when you’re ready.
Reveal the answerHide the answer
Across
ITASCA
Use your crossing letters to check the answer, then keep your puzzle going.
A daily dose of discovery.
Newsday’s daily crossword pairs Across and Down clues in a fresh grid. Open an edition and reveal only the clue answers you need.