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| Date: | 1949 |
|---|---|
| Description: | Worker leveling gravel with a McCormick-Deering Farmall M tractor and a no. 7 angle dozer at International Harvester's Hinsdale farm and testing facility. |
| Date: | 1938 |
|---|---|
| Description: | Man plowing a field with an experimental Farmall F-22 tractor. |
| Date: | 1962 |
|---|---|
| Description: | A group of men gathered around an International Harvester HT-340 experimental research tractor that a man is driving. |
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