Date: | 1939 |
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Description: | Elevated view of men harvesting grain with a McCormick-Deering 12 foot experimental combine (harvester-thresher) pulled by a Farmall M tractor. There is a ... |
Date: | 1986 |
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Description: | View across valley towards missile silo, Minuteman F-8. In the foreground is prairie, in the far background are snow-capped mountains and foothills. This... |
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