Date: | 1915 |
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Description: | Elevated view of mining operations. Caption reads: "'A Busy Corner' of Platteville." |
Date: | 1920 |
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Description: | The Empire zinc and lead mine. Very litle lead is now produced. |
Date: | 1925 |
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Description: | View across field towards large mounds of raw material at National Zinc Separating Company plant. Industrial buildings are in the background. |
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