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, undated, Sheet Number 2, Line Segment 51, showing the Seattle-Tacoma line, south Seattle.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 3, Line Segment 622, showing the King Street, coach yard, team tracks, Union Station leads.

Plat Map of Northern Pacific facilities at Seattle, Washington, undated, Sheet Number 1, Line Segment 403, showing the Seattle-Sumas line, waterfront, South Dearborn Street-South Atlantic Street, dock spurs.

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.