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: | 1910 |
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Description: | Zinc miners posing with an ore bucket down in a mine. |
Date: | 1915 |
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Description: | Two men work in a zinc mine near Platteville, Wisconsin. |
Date: | 1870 |
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Description: | Ferrotype/tintype of a studio portrait of Blacksmith Wanamaker and an unidentified man standing on either side of an anvil. The man on the left is holding ... |
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