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Filter: Categories of Wisconsin Historical Images
Filter: Subject of Work
Filter: Subject of railroad tracks
Filter: Subject of machinery
Filter: Subject of mines and mineral resources
| Date: | 1939 |
|---|---|
| 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: | 01 19 1938 |
|---|---|
| Description: | Two men standing next to mining cars near the opening of the Beam & Merritt mine as an International PA-50 power unit is installed. |
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