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Photograph

Phoenix Proving Ground

Date: 1953
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...
Photograph

International Pickup Truck on Test Track

Date: 1953
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 ...
Photograph

International Truck Testing at Phoenix Proving Ground

Date: 1953
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 ...
Photograph

Phoenix Proving Ground Truck Testing Headquarters

Date: 1953
Description: Headquarters building for truck testing at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International H...
Photograph

International Truck Testing at Phoenix Proving Ground

Date: 1953
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...

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