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: | 1945 |
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Description: | A group of men laying rails at Hawkins Mine while a man in the background is using surveying equipment near the base of a cliff face. |
Date: | 1886 |
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Description: | Front cover featuring illustrations of wheeled scrapers, drag scrapers, railroad plows and road graders. |
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