SP&S ALCO S-2 diesel locomotive Number 24 switcher on roundhouse track at Vancouver, Washington.

SP&S ALCO S-2 diesel locomotive Number 25 switcher next to cinder pit track at Vancouver, Washington.

SP&S ALCO S-2 diesel locomotive Number 26 switcher on the ready tracks at Portland, Oregon on November 14, 1944. Don Roberts photograph.

SP&S ALCO C-636 diesel locomotives Number 330 and 331 along with an ALCO FA-1 with a freight train in the yard at Vancouver, Washington in August 1969.

SP&S ALCO C-636 diesel locomotive Number 332, one of the ALCO C-636 demonstrator units, and a Great Northern GP9 with a freight train leaving the yard at Vancouver, Washington probably on its way to Klamath Falls, Oregon.

SP&S ALCO C-636 diesel locomotives Number 335 and 334 at the diesel shops at Vancouver, Washington.

Color photograph of former SP&S ALCO C-636 diesel locomotives Number 340 and 335, now Burlington Northern, in a multiple unit lashup in the yard at Vancouver, Washington on March 8, 1970. Photo by F. Guernsey.

SP&S EMD NW2 diesel locomotive Number 41 in the yard at Vancouver, Washington in September 1956. Photo by Stan Styles.

SP&S ALCO RS-1 diesel locomotive Number 54 wearing the "broad stripe" SP&S color paint scheme in the yard lineup at Vancouver, Washington in October 1969. Locomotive was originally Oregon Electric.

SP&S ALCO RS-2 diesel locomotive Number 61 on shop track at Vancouver, Washington.