Date: | 06 29 1938 |
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Description: | A man operates an International PD-80 power unit mounted on a suction dredge for sand and gravel. The power unit is owned by Roy Deringer of Ithaca, Michig... |
Date: | 01 19 1938 |
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Description: | A young man stands on a platform above an International PA-80 power unit (converted into a P-100) at a gravel pit owned by Mogg County. |
Date: | 12 22 1937 |
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Description: | Brookville locomotive pulling dump cars in a rock quarry owned by General Refractories Company. Two men can be seen sitting inside through the front window... |
Date: | 1937 |
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Description: | Three men stand on a platform to operate a rock crusher powered by an International PA-50 power unit, which is underneath the platform. The photograph was ... |
Date: | 1928 |
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Description: | Two International HS-54 dump-trucks loaded with gravel. Original caption reads: "Model HS 54 Cylinder, 148" wheelbase, mounted on 36x8 front and 56x8 dual ... |
Date: | 1976 |
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Description: | Two workers and a large yellow crane at a limestone quarry. There are large blocks of roughly cut limestone, and numerous trees are in the background. The ... |
Date: | 1976 |
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Description: | Color photo of workers cutting blocks of limestone in a quarry. There are what appear to be moveable platforms on tracks at the bottom of the face of the a... |
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