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Mike Duncan

  • The Big Why: Spinning tales of mystery and murder on the Madison
    Montana News
    The Big Why: Spinning tales of mystery and murder on the Madison
    Austin Amestoy
    In the '90s, whirling disease hit trout populations hard in Montana, at one point leading to a 95% decline in rainbow trout in the Madison River. It sparked concern among biologists, anger in tourist towns and even played a role in a murder mystery novel. It also inspired this week's question: What's happening with whirling disease and other threats to trout?