Date: | 1945 |
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Description: | An elevated view of a man on a tractor harrowing a field on a hillside. A road and field run along the left side and a small field and trees appear on the ... |
Date: | 02 1977 |
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Description: | A man is kneeling on the ice and snow at Potter's Lake. He is running a machine that is testing the oxygen levels in the water, while recording the results... |
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