A wall of Didymosphenia geminata, or “rock snot,” samples stored at FWP’s Libby area office. FWP has been monitoring rock snot in the Kootenai River since 2009. (Photo courtesy Bowman Leigh)
May 8, 2022
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May 8, 2022 midnight
‘Rock snot’ algae blooms hurting Kootenai River fishery
On an overcast day in mid-June last year, Jim Dunnigan, dam mitigation coordinator for Montana Fish, Wildlife and Parks, stood on a concrete embankment overlooking the Kootenai River near Libby.