Lake Itasca is almost as wild now as it was 193 years ago ... samples of the sediment buried under some of these remote lakes. Sediment cores show the history of a lake’s nutrient concentrations from ...
ITASCA STATE PARK, MINN. - Lake Itasca is almost as wild now as it was 193 years ago, when it was named by an explorer from Michigan seeking the true source of the Mississippi River. Some of the red ...
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