Grum Posted May 11, 2012 Share Posted May 11, 2012 Does anyone know the year and location where these invasive species were first discovered.I know a lot of them came from the ballast tanks of ships in Duluth but can't recall any specifics. Just trying to get a time line, not start an argument. Like they used to say on Dragnet "Just the facts, please". Quote Link to comment Share on other sites More sharing options...
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