Survey party of elephants passing tractors and bulldozers, Burma

View of a survey party of elephants passing Caterpillar diesel D7 tractors, LePlant-Choate bulldozers and LeTourneau bulldozers in North Burma. Label on back: "Caterpillar Tractor Co., Peoria, Ill. Rec'd from Washington, D.C. office, W.B.T. Their letter, 1-13-45. Model D7. Description of work: "Two Caterpillar diesel D7 tractors with LaPlant-Choate and LeTourneau bulldozers at work on the Ledo Road in the jungles of North Burma. A survey party of elephants passes a member of an Engineer Construction Battalion which is pushing Leo Road forward toward a juncture with the Burma Road. Bulldozers are now doing work that was formerly handled by elephants. Credit: Signal Corps photo." Handwritten on back: "War workers--Unusual."