Date: | 1911 |
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Description: | Workers erecting a steam driven pile driver while others survey for the railroad extension from the village of Prairie du Sac to the dam site on the Wiscon... |
Date: | 1918 |
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Description: | Outdoor view of a U.S. Army Engineer topographer wearing skis while in the process of surveying land. The engineer is standing next to a barbed wire obstac... |
Date: | 1918 |
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Description: | Outdoor view of a U.S. Army Engineer topographer wearing skis while using a tripod stand to write. The engineer is standing next to a barbed wire obstacle ... |
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