Date: | 11 15 1937 |
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Description: | A man stands near the opened door of the corrugated shed of the Robert Bowles Oil Company. The company used an International Model 300 power unit to power ... |
Date: | 11 10 1937 |
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Description: | Two men work at an oil well site powered by an International Model P-30 power unit mounted on a truck. |
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