Plat Map of Northern Pacific facilities at Birdseye, Montana, March 31, 1947, Sheet Number 1, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Black Diamond, Washington, March 1, 1952, Sheet Number 1, Line Segment 410, showing the Seattle-Black Diamond line.

Plat Map of Northern Pacific facilities at Black Diamond, Washington, March 1, 1952, Sheet Number 2, Line Segment 410, showing the Seattle-Black Diamond line.

Plat Map of Northern Pacific facilities at Black River, Washington, undated, Sheet Number 2, Line Segment 51, showing the Seattle-Tacoma line.

Plat Map of Northern Pacific facilities at Black River, Washington, undated, Sheet Number 1, Line Segment 51, 405, showing the Seattle-Tacoma line, Woodinville-Black River line.

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

Plat Map of Northern Pacific facilities at Blackwell, Idaho, April 26, 1917, Sheet Number 1, Line Segment 381, showing the Post Falls-Hauser-Coeur d'Alene line.

Plat Map of Northern Pacific facilities at Blackwell, Idaho, April 26, 1917, Sheet Number 2, Line Segment 381, showing the Post Falls-Hauser-Coeur d'Alene line.

Plat Map of Northern Pacific facilities at Blakeslee Junction, Washington, April 26, 1915, Sheet Number 1, Line Segment 421, showing the Centralia-Gate line.

Plat Map of Northern Pacific facilities at Blakeslee Junction, Washington, April 26, 1915, Sheet Number 2, Line Segment 421, showing the Centralia-Gate line.