Date: | 1939 |
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Description: | International PA-100 power unit operating a Pomona water pump in a lead and zinc mine. A box labeled "dynamite" is in the foreground. |
Date: | 1936 |
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Description: | View from road of lead and zinc mines and surrounding buildings. |
Date: | 1925 |
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Description: | View down railroad tracks towards large mounds of raw material at National Zinc Separating Company plant. Industrial buildings and a railroad car and an au... |
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. |
Date: | 1924 |
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Description: | The Blackstone Mine property and mining equipment. |
Date: | |
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Description: | A vintage view and a modern view of the zinc works site, presented as a pair. Views include industrial buildings and snow. |
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