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A John Deere "D" tractor.  Lester F. Larsen Tractor Test and Power Museum. October 27, 2016.
Craig Chandler
© 2016, The Board of Regents of the University of Nebraska. All rights reserved.
A John Deere "D" tractor. Lester F. Larsen Tractor Test and Power Museum. October 27, 2016. Photo by Craig Chandler / University Communication Photography.