Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 1, showing the West Seattle Yard, Elevator Yard.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 2, showing the West Seattle Yard,ÿIowa Avenue Southwest, Bethlehem Steel trackage.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 1, Line Segment 403, showing the Ballard line, 15th Avenue Northwest-24th Avenue Northwest.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 1, Line Segment 403, showing the Seattle-Sumas line, Lake Union line, 15th Avenue West-West Jesse Street.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Drawing Number NO.17-N, Sheet Number 1, Line Segment 403, showing the Seattle-Sumas line, Interbay, 15th Avenue West-18th Avenue West.

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

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 3, Line Segment 51, showing the Seattle-Tacoma line, south Seattle.

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

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 1, Line Segment 51, showing the Seattle-Tacoma line, South Hinds Street-South Hanford Street, old roundhouse leads, 7th Avenue lead.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 4, Line Segment 622, showing the King Street, coach yard, car sheds, industry spurs.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 2, Line Segment 430, 623, showing the Seattle-Argo line, Stacy Street, Middle Yard, dock spurs, Milwaukee Road yard, roundhouse, freighthouse.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 3, Line Segment 430, 623, showing the Seattle-Argo line, Spokane Yard (Stacy Street), dock spurs, Milwaukee Road and Pacific Coastÿyards.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 3, showing the West Marginal Way, south end,ÿindustry spurs.

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 Sedro Woolley, Washington, June 6, 1912, Sheet Number 4, Line Segment 403, showing the Seattle-Sumas line,ÿSkagit River bridge,ÿindustry spurs.

Plat Map of Northern Pacific facilities at Sedro Woolley, Washington, June 6, 1912, Sheet Number 2, Line Segment 403, showing the Seattle-Sumas line, Great Northern depot and interchange, industry spurs.

Plat Map of Northern Pacific facilities at Sedro Woolley, Washington, June 6, 1912, Sheet Number 1, Line Segment 403, showing the Seattle-Sumas line, Great Northern depot and interchange, industry spurs.

Plat Map of Northern Pacific facilities at Sedro Woolley, Washington, June 6, 1912, Sheet Number 3, Line Segment 403, showing the Seattle-Sumas line, Great Northern depot and interchange, industry spurs.

Plat Map of Northern Pacific facilities at Selah, Washington, June 15, 1914, Sheet Number 2, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Selah, Washington, June 15, 1914, Sheet Number 1, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Selah, Washington, undated, Sheet Number 1, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Selah, Washington, undated, Sheet Number 2, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Shano, Washington, October 1, 1956, Sheet Number 1, Line Segment 378, showing the Cheney-Coulee City line.

Plat Map of Northern Pacific facilities at Shano, Washington, October 1, 1956, Sheet Number 2, Line Segment 378, showing the Cheney-Coulee City line.