An effort to control the zebra mussel population has killed at least 75,000 fish along the Mississippi River. Earlier this week, N-S-P used a pesticide chemical to clear the mussels from piping in their Prairie Island plant near Red Wing. The chemical seeped out into the plant's discharge canal, where shiners, sunfish and channel catfish became infected. Marilyn Danks is a biologist with the Department of Natural Resources. I asked her what such a massive fish kill would look like:
Digitization made possible by the State of Minnesota Legacy Amendment’s Arts and Cultural Heritage Fund, approved by voters in 2008.
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