Date: | 08 1930 |
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Description: | A man using a shovel and a litter carrier on a track system to clean the gutter of a dairy barn at International Harvester's Hinsdale experimental farm. Th... |
Date: | 10 1978 |
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Description: | Two men are kneeling on the ground. One man is holding a shovel while the other man is scooping dirt from the shovel into a glass jar. They are measuring P... |
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