Building Alaska Highway. Original caption: Alaskan Highway Project. "Caterpillar" Diesel D7 Tractor and LeTourneau Carryall scraper operated by a colored regiment of the Army Engineers. Here working on the pioneer road. The bulldozer-equipped tractor has been used in roughing out the road preparatory to scraper and grader work. Sent in by Caterpillar Tractor Company, Peoria, Illinois. Taken by United States Army - 1942. State: Alaska.

---

Size: 3509px × 2550px
Photo credit: © NB/PR / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: