Motor 6 version A - Left side view of Work Goose at Rico, Colorado, that never carried passengers or freight but was used in maintenance of way service - 9 Aug 1951 Robert W. Richardson - Denver Public Library RR-693.
 
Motor 6 version B - Right side three-quarter view of motor 6 from front end at washout near Muldoon, Colorado - 11 Oct 1952 Robert W. Richardson - Denver Public Library RR-718.