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. |
Date: | 1938 |
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Description: | Worker using an International TracTracTor (crawler tractor) in a mining operation. Original caption states: "owned by Possum Hollow Coal Company. Building ... |
Date: | 01 19 1938 |
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Description: | Two men standing next to mining cars near the opening of the Beam & Merritt mine as an International PA-50 power unit is installed. |
Date: | 11 04 1937 |
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Description: | A man operates machinery powered by an International PA-50 power unit owned by Starbuck Construction Company. |
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