The Northern Pacific Depot at Olympia, Washington, 1953, from the Walter W. Ainsworth Collection, photograph by John Labbe.

The Northern Pacific Depot at Olympia, Washington, 1949, from the Walter W. Ainsworth Collection, photograph by W.C. Whittaker.

Oakesdale, Washington Northern Pacific depot and yard in 1976. Located at Milepost 37.6, from the Charles W Bohi Collection, photograph by Charles W. Bohi.

Port of Olympia 2-6-2T steam locomotive number 2 parked at Olympia, Washington, on February 9, 1964. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, switching locomotive.

Port of Olympia 2-6-2T steam locomotive number 2 parked at Olympia, Washington, on February 9, 1964. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, switching locomotive.

Port of Olympia center cab diesel locomotive number 5 parked at Olympia, Washington, on February 9, 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive.

Port of Olympia center cab diesel locomotive number 4 at Olympia, Washington, on February 9, 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive.

Plat Map of Northern Pacific facilities at Olympia, Washington, December 20, 1899, Sheet Number 2, Line Segment 402, 609, showing the Saint Clair-Moclips line, Union Pacific yard.

Plat Map of Northern Pacific facilities at Olympia, Washington, December 20, 1899, Sheet Number 1, Line Segment 402, 609, showing the Saint Clair-Moclips line.