The Northern Pacific depot and yard office at Interbay, Seattle, Washington. According to Jack Christensen, a Northern Pacific employee: "I don?t think there was a yardmaster. Switch jobs went to Fremont and the University- switching limits extended to Keith. Others served Terry Avenue, 3 shifts. Generally two engines tied up at Interbay in 1950s/60s."

Northern Pacific 101, an Electro-Motive Division Type NW2 at Seattle, Washington, August 15, 1962.

Northern Pacific diesel locomotive 409, a Baldwin Type VO-1000, at Seattle, Washington switching International at King Street Station Other subject categories: Locomotive-Diesel, Train-Passenger

Northern Pacific diesel locomotive 426, a Baldwin Type VO-1000, at Seattle, Washington on Hanford Street roundhouse turntable Other subject categories: Locomotive-Diesel, Turntable

Northern Pacific diesel locomotive 5400 an Electro-Motive Division Type FT, at Seattle, Washington. Man on fireman's side ladder at Hanford Street roundhouse; water spout in foreground. Other subject categories: Locomotive-Diesel, Train-Freight

Northern Pacific 6503B, an Electro-Motive Division Type FP3B at Seattle, Washington, August 15, 1962.

Northern Pacific diesel locomotive 6504 at Seattle, Washington led by F3 6504, near Hanford Street roundhouse. Other subject categories: Locomotive-Diesel, Train-Passenger, F3A, Signal-Crossing

Northern Pacific 6506C, an Electro-Motive Division Type FP5A, Northern Pacific 6503C, a Type FP3B, and Northern Pacific 6503C, a Type FP3A at Seattle, Washington, August 15, 1962.

Northern Pacific 6506C, an Electro-Motive Division Type FP5A, Northern Pacific 6503C, a Type FP3B, and Northern Pacific 6503C, a Type FP3A at Seattle, Washington, August 15, 1962.

Northern Pacific 6506C, an Electro-Motive Division Type FP5A, Northern Pacific 6503C, a Type FP3B, and Northern Pacific 6503C, a Type FP3A at Seattle, Washington, August 15, 1962.