Date: | 1939 |
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Description: | A miner fastening a chain to a mining car in order to be pulled from the shaft by a drum hoist. The drum hoist was powered by an International U-7 power un... |
Date: | |
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Description: | Soon after the turn of the century, Joplin was named the lead and zinc capital of the world. A group of young men are shown mining underground. Caption rea... |
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