Pacific Coast Railroad/Chicago Milwaukee St. Paul and Pacific Railroad mainline at Maple Valley, Washington, circa 1943.

Pacific Coast Railroad/Chicago Milwaukee St. Paul and Pacific Railroad mainline at Maple Valley, Washington in 1944.

Pacific Coast Railroad/Chicago Milwaukee St. Paul and Pacific Railroad joint mainline at Renton, Washington, circa 1940.

Pacific Coast Railroad/Chicago Milwaukee St. Paul and Pacific Railroad joint mainline at Renton, Washington, circa 1920.

Pacific Coast Railroad/Chicago Milwaukee St. Paul and Pacific mainline at Renton, Washington, circa 1920.

Pacific Coast Railroad/Chicago Milwaukee St. Paul and Pacific mainline at Renton, Washington, circa 1920.

Pacific Coast Railroad railroad track at Maple Valley, Washington, circa 1955. Looking west across Pacific Coast Renton-Black Diamond mainline, servicing facilities at left, white station building at far right. Other Subject Classes: railroad mainline, railroad stations, railroad servicing facilities..

Pacific Coast Railroad track at Maple Valley, Washington, circa 1955. Maple Valley, WA. View northeast across PC Renton-Black Diamond mainline, Chicago Milwaukee St. Paul and Pacific Railroad track in background, Maple Valley Tavern/former Milwaukee Hotel. Other Subject Classes: railroad mainline, miscellanea.

Pacific Coast Railroad railroad track at Maple Valley, Washington, circa 1955. View north along PC Renton-Black Diamond mainline toward junction with Chicago Milwaukee St. Paul and Pacific Railroad in distance, signals. Other Subject Classes: railroad mainline, signal equipment.

Burlington Northern Santa Fe Railroad track at Seattle, Washington, circa 2005. Looking north toward Spokane Street overpass along former Northern Pacific "shore line," originally Seattle & Walla Walla/Columbia & Puget Sound/Pacific Coast right of way. Other Subject Classes: railroad mainline.

Pacific Coast Railroad mainline at Renton, Washington, in 1945. Looking east down tracks diverging, left toward Bellevue, Woodinvile and north, right toward Maple Valley and east, shared with tenant Chicago Milwaukee St. Paul and Pacific Railroad, twin-spout water tank, block signal. Other Subject Classes: railroad mainline, railroad servicing facilities, railroad signaling.

Pacific Coast Railroad railroad track at Maple Valley, Washington, circa 1982.

Pacific Coast Railroad railroad track at Argo, Washington, circa 1940.

Pacific Coast Railroad railroad track at Argo, Washington, circa 1915.

Pacific Coast Railroad rail at unknown, Washington, circa 2015.

Pacific Coast Railroad rail at unknown, Washington, circa 2015.

Burlington Railroad mainline at Seattle, Washington, circa 1975. Elevated view to northwest, south end of Argo yard, former Pacific Coast/Milwaukee Road doubletrack mainline, center, Burlington Northern (former Northern Pacific/Great Northern) mainline, left, Union Pacific mainline right, Union Pacific Argo interlocking tower. Other Subject Classes: railroad mainline, railroad yards, railroad signaling.

Pacific Coast Railroad mainline at Maple Valley, Washington in 1958.

Pacific Coast Railroad /Chicago Milwaukee St. Paul and Pacific Railroad mainline at Maple Valley, Washington in 1958.

Olympic Portland Cement Company track at Bellingham, Washington, looking east along Olympic Portland Cement Company spur from shore uphill toward plant; Marine Drive bridge visible. Other subject categories: Track-Rail, Right-of-Way

Northern Pacific's abandoned Marion Branch track looking west at Hastings, North Dakota on May 17, 2003. This track is in the 4th subdivision of the Fargo division. Photo by GJ Werkema. Other subject classes: track,

Northern Pacific wye track switch at Easton, Washington, on April 1, 1987. This wye track is used to turn locomotives and snow plows on the 1st subdivision of the Tacoma division. Photo by GJ Werkema. Other subject classes: track, wye.

Northern Pacific wye track switch at Easton, Washington, on April 1, 1987. This wye track is used to turn locomotives and snow plows on the 1st subdivision of the Tacoma division. Photo by GJ Werkema. Other subject classes: track, wye.

Northern Pacific tracks at Nisqually, Washington, in June 1967. Looking south from locomotive cab down mainline, temporary "shoo-fly" to accommodate new I-5 overpass construction. Photo by J.M. Fredrickson . Other Subject Classes: track, detour

Northern Pacific tracks at Martin, Washington, in February 1945. View down track toward east portal of Stampede Tunnel, in snow. Photo by J.M. Fredrickson . Other Subject Classes: track, tunnel, mountains

Northern Pacific mainlines at Eagle Gorge, Washington, circa 1959. Looking down from mountain on old and new mainlines during construction of Howard Hanson Dam. Photo by J.M. Fredrickson collection. Other Subject Classes: track,

Northern Pacific track at Bellingham, Washington, looking northeast across Ellis Street to Model Truck & Stage Company warehouse with Northern Pacific water tank in background; main track on right, siding on left. Other subject categories: Track-Rail, Industrial Buildings, Right-of-Way

Northern Pacific track at Bellingham, Washington, looking southwest across Ellis Street with main track on left, siding on right, across bridge 19 and bridge 19A, with Albers Feeds in background past creek on left and York Street crossing. Other subject categories: Track-Rail, Industrial Buildings, Right-of-Way, Signal-Crossing

Northern Pacific track at Bellingham, Washington, looking southwest along Northern Pacific main track from Kansas Street at beginning of Northern Pacific yard; Franklin Street ahead; siding for Warnick Lumber Yard and other industries on left; siding to freight house on right. Other subject categories: Track-Rail, track-Switch, Right-of-Way, Switchstand

Northern Pacific track at Bellingham, Washington, looking north along main track south of Milwaukee Road roundhouse. Other subject categories: Track-Rail, Right-of-Way