Richardson, Robert W., Colorado R.R. (former Colo. & Kansas) gas-electric locomotive, ex interurban frt. motor ex H.M.X.1 (Hyman-Michaels Co., Chicago), Pueblo, Colo. (1941 July 8). Denver Public Library Digital Collections, accessed 23/01/2026, https://digital.denverlibrary.org/nodes/view/1128451



