Date: | 1915 |
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Description: | Elevated view of mining operations. Caption reads: "'A Busy Corner' of Platteville." |
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Description: | Two trains transporting taconite from Susquehanna Open Pit Iron Ore Mine, part of the Mesabi Iron Range, discovered in 1866. |
Date: | |
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Description: | Elevated view of railroad cars transporting iron ore from the Mesabi Iron Range, once important because of the discovery of hematite, and then for its larg... |
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