Fishable Lakes Chart

Questions about water transportation and fishing on the island.

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Re: Fishable Lakes Chart

Post by johnhens »

fonixmunkee wrote: Sat Mar 30, 2019 10:38 pm What causes the mercury level to be so high in the lakes of Isle Royale? The old mines? Acid rain?
I once spoke to researchers who suspected the high mercury was from paper plants along the north shore (CN) of Superior.
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Re: Fishable Lakes Chart

Post by treeplanter »

Any coal-burning power plant produces mercury. Once airborne, it can go along way.
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