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Filter: Subject of Work
Filter: Subject of planning
Filter: Subject of steam shovels
| Date: | 04 13 1912 |
|---|---|
| Description: | Workmen operating a steam shovel loading gravel into electric rail cars during construction of the power dam. |
| Date: | 04 24 1957 |
|---|---|
| Description: | Bulldozers and steam shovels prepare the site for the future University of Wisconsin Observatory site near Pine Bluff. |
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