Great Northern Diesel Locomotive 1 at Spokane, Washington, 1962, original orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 10 at Spokane, Washington, 1962, original orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 128 at Spokane, Washington on September 1, 1962. The photograph shows an Electro-Motive Division Type NW-2, Great Northern Class SW-4. The locomotive is painted in the original green and orange scheme. Photograph by Karl Henkels. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 151 at Spokane, Washington on July 1, 1968. The photograph shows an Electro-Motive Division Type NW-2, Great Northern Class SW-4. The locomotive is painted in the Big Sky Blue scheme. Other subject classes: Locomotive-Diesel, People-Onlookers

Great Northern Diesel Locomotive 151 at Spokane, Washington on November 30, 1968. The photograph shows an Electro-Motive Division Type NW-2, Great Northern Class SW-4. The locomotive is painted in the Big Sky Blue scheme. Photograph by James Estes. Other subject classes: Locomotive-Diesel

Great Northern 151, an Electro-Motive Division Type SW10 at Spokane, Washington, April 12, 1968.

Great Northern Diesel Locomotive 155 at Spokane, Washington on July 1, 1968. The photograph shows an Electro-Motive Division Type NW-2, Great Northern Class SW-4. The locomotive is painted in the Big Sky Blue scheme. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 180 at Spokane, Washington on November 8, 1967. The photograph shows an Electro-Motive Division Type NW-3, Great Northern Class RS-1. The locomotive is painted in the simplified green and orange scheme. Photograph by James Estes. Other subject classes: Locomotive-Diesel

Great Northern 180, an Electro-Motive Division Type NW7 at Spokane, Washington, April 13, 1968.

Great Northern 180, an Electro-Motive Division Type NW7 at Spokane, Washington, April 13, 1968.