I once spoke to researchers who suspected the high mercury was from paper plants along the north shore (CN) of Superior.fonixmunkee wrote: ↑Sat Mar 30, 2019 11:38 pm What causes the mercury level to be so high in the lakes of Isle Royale? The old mines? Acid rain?
Fishable Lakes Chart
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johnhens
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Re: Fishable Lakes Chart
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treeplanter
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Re: Fishable Lakes Chart
Any coal-burning power plant produces mercury. Once airborne, it can go along way.
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RedLeg
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Re: Fishable Lakes Chart
Fishes Isle Royale - (full book) 1982/National Oceanic and Atmospheric Administration repository
https://repository.library.noaa.gov/vie ... 89_DS1.pdf
https://repository.library.noaa.gov/vie ... 89_DS1.pdf
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24' RH-Narrows-Belle-McCargoe-Chippewa-Daisy-Tookers-RH / 15d packraft
23' Malone-Hay-Siskiwit-IslandMine-WC / 15d packraft
22' Moosewatch #4
22' RH-Caribou-Moskey-Intermediate-Wood-Chippewa-Moskey-RH / 13d packraft
21' RH-Daisy-Moskey-Chippewa-McCargoe-Moskey-3Mile-RH / 11d
24' RH-Narrows-Belle-McCargoe-Chippewa-Daisy-Tookers-RH / 15d packraft
23' Malone-Hay-Siskiwit-IslandMine-WC / 15d packraft
22' Moosewatch #4
22' RH-Caribou-Moskey-Intermediate-Wood-Chippewa-Moskey-RH / 13d packraft
21' RH-Daisy-Moskey-Chippewa-McCargoe-Moskey-3Mile-RH / 11d