Plat Map of Northern Pacific facilities at Seattle, Washington, April 1, 1919, Sheet Number 3, Line Segment 430, showing the Seattle-Argo line, Shore line, packing co spur, 7th Avenue South.

Plat Map of Northern Pacific facilities at Seattle, Washington, April 1, 1919, Sheet Number 4, Line Segment 430, showing the Seattle-Argo line, Shore line, Spokane Street.

Plat Map of Northern Pacific facilities at Seattle, Washington, September 1, 1919, Sheet Number 2, Line Segment 430, showing the Seattle-Argo line, Shore line, Airport Way-Argo.

Plat Map of Northern Pacific facilities at Seattle, Washington, January 11, 1922, Sheet Number 2, showing the Lake Union line, Southlake (Fairview) Avenue North, end of track.

Plat Map of Northern Pacific facilities at Seattle, Washington, January 11, 1922, Sheet Number 4, showing the Lake Union line, Fairview Avenue North, plat map only.

Plat Map of Northern Pacific facilities at Seattle, Washington, January 11, 1922, Sheet Number 1, showing the Lake Union line, Southlake (Fairview) Avenue North, Valley Street-end of track.

Plat Map of Northern Pacific facilities at Seattle, Washington, January 11, 1922, Sheet Number 3, showing the Lake Union line, Fairview Avenue North, plat map only.

Plat Map of Northern Pacific facilities at Seattle, Washington, June 24, 1931, Sheet Number 2, showing the Harbor Island, 11th Avenue Southwest, industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, June 24, 1931, Sheet Number 1, showing the Harbor Island, north end, 11th Avenue Southwest, industry spurs.

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.

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, 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, 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, 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.