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	Search results for Caterpillar Tractors    Refine your search Subject (LCTGM) Construction Equipment (2) Airports (1) Construction (1) Construction Workers (1) Foundations (1) Show more... Creator Olson, Cal, 1924-2009 (2) results 1-2 of 2 item(s)  page 1 of 1 : ( <<  1  >> ) :: previous : next select all : clear all : add to favorites   Image: Title: Subject (LCTGM): Description: 1. Caterpillar D8 leveling ground during construction of Grand Forks, N.D. Air Force Base Construction equipment; Construction workers; View of a Caterpillar D8 pulling a ground leveler. 2. Grand Forks, N.D. Air Force Base hangar construction scene Foundations; Airports; Air bases; Construction; Construction equipment; View showing a Caterpillar and other earthmoving machinery around the foundation of a hangar being constructed at the Grand Forks Air Force Base. The framework of the control tower is visible in the far... select all : clear all : add to favorites results 1-2 of 2 item(s)  page 1 of 1 : ( <<  1  >> ) :: previous : next
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