Building Alaska Highway. Original caption: Alaskan Highway project. "Caterpillar" Diesel Tractors and LeTourneau Scrapers operated by a colored regiment of the U S Army Engineers. On sections that are comparatively level, the center of the road is built up to insure proper drainage. Sent in by Caterpillar Tractor Company, Peoria, Illinois. Taken by United States Army - 1942. State: Alaska.

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Photo credit: © NB/PR / Alamy / Afripics
License: Licensed
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