Lake Huron is now the clearest Great Lake, dethroning Superior from the top spot while shedding new light on shipwrecks in Thunder Bay.
Great Lakes Echo
http://feedproxy.google.com/~r/GreatLakesEcho/~3/0poMAYcy5qI/
2020-02-27
Invasive mussels clear the water and coat the wrecks at Thunder Bay National Marine Sanctuary
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