Date: | 1953 |
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Description: | Trucks mounting a steep grade in the testing track at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by Inte... |
Date: | 1953 |
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Description: | View of International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International Harvester through the 1970's to test... |
Date: | 1953 |
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Description: | Stone displaying ancient writing. The rock was on the grounds of International Harvester's Phoenix Proving Grounds. Opened in 1947, the proving ground was... |
Date: | 1953 |
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Description: | International pickup kicking up dust on a dirt test track at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used ... |
Date: | 1953 |
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Description: | Cacti frame three International semis and a pickup on a test track at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground ... |
Date: | 1953 |
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Description: | Headquarters building for truck testing at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International H... |
Date: | 1953 |
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Description: | International semi trucks mounting a long hill at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by Internat... |
Date: | 1953 |
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Description: | International Harvester 27-75 earthmover being demonstrated in front of a grandstand at International Harvester's Phoenix Proving Ground. Opened in 1947, t... |
Date: | 1953 |
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Description: | Bird's-eye view of International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International Harvester through the 197... |
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