Date: | 1930 |
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Description: | View inside a lead mine showing six miners with a car on a track. |
Date: | |
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Description: | Early Wisconsin lead miners using a Pioneer Windlass. |
Date: | 1872 |
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Description: | Galena (lead sulfide) was melted at this open hearth furnace owned by Richard Straw and Company on the Roundtree Branch of the Little Platte River. The men... |
Date: | |
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Description: | Miners probably grading galena (lead) ore by putting pieces in drums with holes and letting smaller ones fall through. |
Date: | 1950 |
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Description: | Students from Platteville, Wisconsin tour a mine to see how lead is extracted. |
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