The clue "Sierra Club cofounder" last appeared in the Newsday crossword on April 27, 2025. The correct answer for this puzzle is "MUIR", a 4-letter word.
Solution MUIR is 4 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is MUIR with 4 letters, and the shortest is MUIR with 4 letters.
Not at the moment. Currently trending: Composition, Smudge, asexual, COMING into being and ANNOYING KID.
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The solution is 4 letters long.