SP&S Baldwin VO-1000 diesel locomotive Number 34 on Hoyt Street Roundhouse track at Portland, Oregon.

SP&S EMD NW2 diesel locomotive Number 40 on Hoyt Street Roundhouse track at Portland, Oregon on May 29, 1948. Photo by Don Roberts.

SP&S EMD NW2 diesel locomotive Number 42 on engine track at Portland, Oregon. Notice the stripes on the front cab door which match the location of the stripes on the front.

SP&S ALCO RS-2 diesel locomotive Number 60 along with Number 26 (ALCO S-2) in power lineup at Portland, Oregon.

SP&S ALCO RS-2 diesel locomotive Number 62 by the water tank at the Hoyt Street Roundhouse at Portland, Oregon on February 18, 1950. Photo by Don Roberts.

SP&S ALCO RS-3 diesel lococomotives Number 69 and 70 at Portland, Oregon in October 1951. Photo by Don Roberts.

SP&S ALCO RS-3 diesel locomotives Number 70 and 69 at Portland, Oregon.

SP&S ALCO RS-3 diesel locomotive Number 71 on Hoyt Street Roundhouse track at Portland, Oregon.

SP&S ALCO RS-3 diesel locomotives Number 76 and 77 at Portland, Oregon in September 1956. Photo by Stan Styles.

SP&S ALCO RS-3 diesel locomotive Number 78 in the yard at Portland, Oregon.