Date: | 04 13 1912 |
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Description: | Workmen operating a steam shovel loading gravel into electric rail cars during construction of the power dam. |
Date: | |
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Description: | Elevated view of a steam shovel scooping iron ore into cars at, the Hull Rust Mahoning Mine, the world's largest open pit iron ore mine. |
Date: | |
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Description: | Miners at work using steam shovels and railroad cars for transporting iron ore in Virginia, located on the Mesabi Iron Range. |
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