Date: | 1864 |
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Description: | Union soldiers stand by their tents in front of a trestle bridge on the railroad line that spans a valley. A mountain is in the background. Plate 06 |
Date: | 1885 |
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Description: | Timber railroad trestle over a wooded valley, apparently at the final stage of construction. |
Date: | 1885 |
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Description: | Bridge carpenters and other workmen with a winch constructing a railroad trestle over a wooded valley. |
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