Date: | 07 14 1894 |
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Description: | Cartoon depicting "King Debs" a man wearing a crown representing Debs American Railway Union, sitting atop the highway of trade. |
Date: | 1855 |
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Description: | "Ancient copper mining on Lake Superior." |
Date: | 1839 |
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Description: | Cut-away lithography illustration of a mining operation, showing men lowering a miner into a mine where several other men are working. |
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