Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 2, Line Segment 403, showing the Ballard line, 8th Avenue Northwest-15th Avenue Northwest, industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 1, showing the Terry Avenue line, Mercer Street-Denny Way, industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 2, showing the Lake Union line, Terry Avenue, Fairview Avenue North.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 2, Line Segment 51, showing the Seattle-Tacoma line, Spokane Street leads, industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 3, Line Segment 51, showing the Seattle-Tacoma line, Argo Yard, north end, wye.

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

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 3, showing the Lake Union line, Westlake Avenue North, North Crockett Street-North Galer Street.

Plat Map of Northern Pacific facilities at Seattle, Washington, March 24, 1954, Sheet Number 2, Line Segment 403, showing the Seattle-Sumas line, waterfront, Vine Street-Pike Street, North Portal, dock spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, March 24, 1954, Sheet Number 4, Line Segment 403, showing the Seattle-Sumas line, waterfront, Madison Street-Railroad Way, dock spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, March 24, 1954, Sheet Number 1, Line Segment 403, showing the Seattle-Sumas line, waterfront, Battery Street-Bay Street, dock spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, March 24, 1954, Sheet Number 3, Line Segment 403, showing the Seattle-Sumas line, waterfront, Pike Street-Main Street, dock spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, November 1, 1953, Sheet Number 3, Line Segment 51, showing the Seattle-Tacoma line,ÿAirport Way, south Seattle.

Plat Map of Northern Pacific facilities at Seattle, Washington, November 1, 1953, Sheet Number 4, Line Segment 51, showing the Seattle-Tacoma line, Airport Way, south Seattle.

Plat Map of Northern Pacific facilities at Seattle, Washington, November 1, 1953, Sheet Number 1, Line Segment 51, showing the Seattle-Tacoma line, Airport Way, south Seattle.

Plat Map of Northern Pacific facilities at Seattle, Washington, November 1, 1953, Sheet Number 2, Line Segment 51, showing the Seattle-Tacoma line, Airport Way,ÿsouth Seattle.

Plat Map of Northern Pacific facilities at Seattle, Washington, May 23, 1952, Sheet Number 5, showing the East Marginal Way,ÿsouth end, industryÿspurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, May 23, 1952, Sheet Number 6, showing the East Marginal Way, south end, industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, May 23, 1952, Sheet Number 3, showing the East Marginal Way, Boeing.

Plat Map of Northern Pacific facilities at Seattle, Washington, May 23, 1952, Sheet Number 1, showing the East Marginal Way, South Holly Street-South Orchard Street, industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, May 23, 1952, Sheet Number 2, showing the East Marginal Way, industry spurs.

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.