A pair of SP&S EMD F3A diesel locomotives with a passenger train at Weather Bureau Rock, undated. Photo by Angelus Commercial Studios.

SP&S diesel locomotives Number 94, an American Locomotive Company (ALCO) RS-3, and Number 64, an American Locomotive Company (ALCO) RS-2, with a westbound freight train at Stevenson, Washington, August 1965. Robert Johnston Photograph.

SP&S diesel locomotives Number 860 (an American Locomotive Company (ALCO) FA-1, 200 (an ALCO FB-1), 855 (an ALCO FA-1) and 60 (an ALCO RS-2) with an eastbound freight near Stevenson, Washington on March 15, 1964. Photo by Henry R. Griffiths.

SP&S diesel locomotive Number 82, an American Locomotive Company (ALCO) RS-3, switching an industry in Stevenson, Washington in July 1969. Photo by Robert Johnston.

SP&S ALCO RS-3 diesel locomotive Number 97 heading a freight train at Stevenson, Washington in August 1965. The locomotive is wearing the test paint scheme of white, light blue and grey. Photo by Robert W. Johnston.

SP&S ALCO FA-1 diesel locomotive Number 850 passes Signal 52.5 near Stevenson, Washington on March 21, 1961. Photo by Vern Vasey.

SP&S EMD F3A diesel locomotive Number 801 underway with a passenger train at Stevenson, Washington on August 21, 1949. Photo by R. V. Nixon.

SP&S EMD F3A diesel locomotive Number 801 underway with a passenger train at Stevenson, Washington on August 21, 1949. Photo by R. V. Nixon.

SP&S EMD E7A diesel locomotive Number 750 with eastbound passenger train Number 2 along the Columbia River at Stevenson, Washington in July 1969. Photo by Robert W. Johnston.

Burlington Northern diesel locomotive Number 6756, EMD SD40-2, with a westbound freight at Stevenson, Washingon on December 7, 1976. Photo by Robert Johnston.