Plat Map of Northern Pacific facilities at Parkwater, Washington, April 7, 1931, Sheet Number 3, Line Segment 651, showing the Spokane, Parkwater Yard, roundhouse.

Plat Map of Northern Pacific facilities at Parkwater, Washington, April 7, 1931, Sheet Number 4, Line Segment 651, showing the Spokane, Parkwater Yard, roundhouse.

Plat Map of Northern Pacific facilities at Parkwater, Washington, January 9, 1918, Sheet Number 3, Line Segment 45, showing the Kootenai-Spokane line.

Plat Map of Northern Pacific facilities at Parkwater, Washington, January 9, 1918, Sheet Number 1, Line Segment 45, showing the Kootenai-Spokane line.

Plat Map of Northern Pacific facilities at Parkwater, Washington, January 9, 1918, Sheet Number 2, Line Segment 45, showing the Kootenai-Spokane line.

Northern Pacific steam locomotive 689 and crew pose with a work train at Castle Rock, Washington, circa 1900. Number 689 is a class C-1 built by Rome in 1883. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 684 at Tacoma, Washington, in 1953. Number 684 is a class C-1 built by Rome in 1883. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 672 at Parkwater, Washington, on September 29, 1916. Number 672 is a class B-1 built by Baldwin in 1889. Photo by Charles R. Iles, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 5139 at Parkwater, Washington, on May 20, 1953. Number 5139 is a class Z-8 built by Alco-Schenectady in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5139 at Parkwater, Washington, on May 20, 1953. Number 5139, a class Z-8 built by Alco-Schenectady in 1943, is parked next to the coal dock at the Parkwater engine facility in Spokane. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, coal dock