This 51' 3 3/4" Mechanical Reefer with Rivet Sides is painted aluminum with black lettering and the Monad Logo is in white, red and black.  It was built by Pacific Car & Foundry.  It was used to transport frozen foods, and produce such as cherries and apples from Washington, potatoes from Minnesoata's Red River Valley, and fish and bananas from Seattle.  In March of 1970 the Northern Pacific merged with the Great Northern, Spokane, Portland & Seattle, Chicago Burlington and Quincy to become part of the Burllington Northern.