Date: | 1936 |
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Description: | Businesses and cars parked along a dusty city street with oil derricks in the background. At right is the Stephens & Company, distributors of power units i... |
Date: | 1950 |
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Description: | Subject: "U-2 — Oil Field Pumping." Where Taken: "SW." Information with photograph reads: "International U-2 power units on world's most concentrated oil l... |
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