Deb Tirmenstein, of Montana Black Dog Services, and one of her dogs, Ismay, at the Flathead Lake Community Mussel Walk at the Wayfarers Unit of Flathead Lake State Park in Bigfork on Saturday. Tirmenstein has trained her dogs to search for mussels. (Casey Kreider/Daily Inter Lake)
April 15, 2018
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April 15, 2018 4 a.m.
Mussel watchers hit Flathead Lake
Montana is entering its second boating season since invasive quagga mussels were discovered in Tiber Reservoir, just a few hours east of Flathead Lake.