Plat Map of Northern Pacific facilities at Seattle, Washington, May 23, 1952, Sheet Number 4, showing the East Marginal Way, Boeing, steel spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, March 1, 1950, Sheet Number 1, Line Segment 430, showing the Seattle-Argo line, Shore line, Airport Way, brewery.

Plat Map of Northern Pacific facilities at Seattle, Washington, March 1, 1950, Sheet Number 3, Line Segment 430, showing the Seattle-Argo line, Shore line, South Bradford Street-South Alaska Street.

Plat Map of Northern Pacific facilities at Seattle, Washington, March 1, 1950, Sheet Number 2, Line Segment 430, showing the Seattle-Argo line, Shore line, South Stevens Street-South Andover Street.

Plat Map of Northern Pacific facilities at Seattle, Washington, January 1, 1949, Sheet Number 1, Line Segment 51, showing the Seattle-Tacoma line, South Lander Street-South Hanford Street, old roundhouse leads.

Plat Map of Northern Pacific facilities at Seattle, Washington, January 1, 1949, Sheet Number 2, Line Segment 51, showing the Seattle-Tacoma line, South Forest Street-Spokane Street, old roundhouse leads.

Plat Map of Northern Pacific facilities at Seattle, Washington, January 1, 1949, Sheet Number 3, Line Segment 51, showing the Seattle-Tacoma line, Spokane Street-Argo, wye.

Plat Map of Northern Pacific facilities at Seattle, Washington, November 1, 1949, Sheet Number 2, Line Segment 403, showing the Seattle-Sumas line, Elliott Avenue West.

Plat Map of Northern Pacific facilities at Seattle, Washington, July 1, 1949, Sheet Number 2, Line Segment 403, showing the Seattle-Sumas line, Interbay, 12th Avenue West-West Dravus Street, Great Northern roundhouse.

Plat Map of Northern Pacific facilities at Seattle, Washington, April 1, 1949, Sheet Number 1, showing the Harbor Island, north end, 16th Avenue Southwest, dock and industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, July 1, 1949, Sheet Number 1, Line Segment 403, showing the Seattle-Sumas line, Interbay, 12th Avenue West-15th Avenue West.

Plat Map of Northern Pacific facilities at Seattle, Washington, January 1, 1949, Sheet Number 4, Line Segment 51, showing the Seattle-Tacoma line, Argo Yard.

Plat Map of Northern Pacific facilities at Seattle, Washington, April 1, 1949, Sheet Number 2, showing the Harbor Island, 16th Avenue Southwest, dock and industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, November 1, 1949, Sheet Number 1, Line Segment 403, showing the Seattle-Sumas line, Elliott Avenue West, Smith Cove.

Plat Map of Northern Pacific facilities at Seattle, Washington, October 13, 1948, Sheet Number 1, Line Segment 403, showing the Seattle-Sumas line, Interbay.

Plat Map of Northern Pacific facilities at Seattle, Washington, October 13, 1948, Sheet Number 3, Line Segment 403, showing the Seattle-Sumas line, Smith Cove, navy piers.

Plat Map of Northern Pacific facilities at Seattle, Washington, October 13, 1948, Sheet Number 2, Line Segment 403, showing the Seattle-Sumas line, Interbay, Naval Supply Depot.

Plat Map of Northern Pacific facilities at Seattle, Washington, June 1, 1947, Sheet Number 2, showing the West Marginal Way, Iowa Avenue Southwest, industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, July 1, 1947, Sheet Number 2, Line Segment 430, showing the Seattle-Argo line, Argo interlocking.

Plat Map of Northern Pacific facilities at Seattle, Washington, July 1, 1947, Sheet Number 3, Line Segment 51, showing the Seattle-Tacoma line, Georgetown.

Plat Map of Northern Pacific facilities at Seattle, Washington, June 1, 1947, Sheet Number 1, showing the Spokane Street, Harbor Island, Duwamish drawbridge, West Marginal Way.

Plat Map of Northern Pacific facilities at Seattle, Washington, July 1, 1947, Sheet Number 1, Line Segment 430, showing the Seattle-Argo line, Shore line, Argo Yard, Union Pacific roundhouse.

Plat Map of Northern Pacific facilities at Seattle, Washington, June 1, 1947, Sheet Number 1, Line Segment 403, showing the Seattle-Sumas line, gas works, Interlake Avenue North-Sunnyside Avenue N.

Plat Map of Northern Pacific facilities at Seattle, Washington, June 1, 1947, Sheet Number 2, Line Segment 403, showing the Seattle-Sumas line, Fremont, Evanston Avenue North-Interlake Avenue North, industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, December 7, 1946, Sheet Number 2, showing the Lake Union line, North Halladay Street-N Etruria Street.

Plat Map of Northern Pacific facilities at Seattle, Washington, January 8, 1946, Sheet Number 1, Line Segment 430, showing the Seattle-Argo line, Argo interlocking.

Plat Map of Northern Pacific facilities at Seattle, Washington, December 7, 1946, Sheet Number 1, showing the Lake Union line, Westlake Avenue North, north end.

Plat Map of Northern Pacific facilities at Seattle, Washington, January 8, 1946, Sheet Number 2, Line Segment 51, showing the Seattle-Tacoma line, Georgetown.

Plat Map of Northern Pacific facilities at Seattle, Washington, September 24, 1945, Sheet Number 2, showing the East Waterway, 1st Avenue South-5th Avenue South, industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, September 24, 1945, Sheet Number 1, showing the East Marginal Way, government andÿdock spurs.