Date: | 06 13 1913 |
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Description: | Workmen and machinery at the quarry on Blackhawk Bluff. The gravel was used in construction of the power dam. |
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Description: | View down railroad tracks towards a group of men posing standing near and on a rock face and a track, with a river on the left. Identified as probably the ... |
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Description: | View across railroad tracks towards a group of men standing near and on a rock face an a cliff above a river. Identified as probably the quarry connected t... |
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Description: | Elevated view of a group of men posing standing near and on a rock face with two sets of small railroad tracks behind them. Identified as probably the quar... |
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Description: | Elevated view of a man operating a TD-30 Crawler Tractor. |
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