An Overview of Wisconsin Mining History

Описание к видео An Overview of Wisconsin Mining History

Platteville-raised Archivist for the Wisconsin Geological and Natural History Survey, Brad Gottschalk, presents an overview of the history of mining in the state of Wisconsin. Not limited only to the Upper Mississippi Valley Lead-Zinc District, mining in the state has included development of Banded Iron Formations, Volcanogenic Massive Sulfides, silica sand deposits and more.

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