The first GE U50s delivered to the UP in October 1963 numbered 31-33. View of UP 31 at Chicago, Illinois on October 19, 1963. Photo taken from my collection, No photographer's name listed.

Two GE U50’s, 31 and 33, hustle a westbound UP freight through North Topeka, Ks. on August 22, 1965. Note the passenger car in the small car shop at right.

UP GE U50s 31 and 33 lead 40-ft. box cars west out of Topeka, Ks. at Menoken Jct. in pouring rain and head to Marysville and on to North Platte, Nebr.