Plat Map of Northern Pacific facilities at Edgecomb, Washington, May 22, 1915, Sheet Number 1, Line Segment 403, showing the Seattle-Sumas line.

Plat Map of Northern Pacific facilities at Edgecomb, Washington, May 22, 1915, Sheet Number 2, Line Segment 403, showing the Seattle-Sumas line.

Plat Map of Northern Pacific facilities at Eden, Washington, September 8, 1919, Sheet Number 2, Line Segment 384, showing the Marshall-Arrow line.

Plat Map of Northern Pacific facilities at Eden, Washington, September 8, 1919, Sheet Number 1, Line Segment 384, showing the Marshall-Arrow line.

Plat Map of Northern Pacific facilities at Eddy, Montana, September 2, 1912, Sheet Number 2, Line Segment 44, showing the Paradise-Kootenai line.

Plat Map of Northern Pacific facilities at Eddy, Montana, September 2, 1912, Sheet Number 1, Line Segment 44, showing the Paradise-Kootenai line.

Plat Map of Northern Pacific facilities at Eddy, Montana, September 2, 1912, Sheet Number 3, Line Segment 44, showing the Paradise-Kootenai line.

Plat Map of Northern Pacific facilities at Easton, Washington, undated, Sheet Number 1, Line Segment 49, showing the Ellensburg-Rainier (Auburn) line.

Plat Map of Northern Pacific facilities at Easton, Washington, undated, Sheet Number 3, Line Segment 49, showing the Ellensburg-Rainier (Auburn) line, depot, wye.

Plat Map of Northern Pacific facilities at Easton, Washington, undated, Sheet Number 2, Line Segment 49, showing the Ellensburg-Rainier (Auburn) line, Milwaukee Road wye.

Plat Map of Northern Pacific facilities at Easton, Washington, undated, Sheet Number 4, Line Segment 49, showing the Ellensburg-Rainier (Auburn) line.

Plat Map of Northern Pacific facilities at Eastman, Washington, November 23, 1943, Sheet Number 1, Line Segment 450, showing the Ainsworth Junction-Dayton line.

Plat Map of Northern Pacific facilities at Eastman, Washington, November 23, 1943, Sheet Number 2, Line Segment 450, showing the Ainsworth Junction-Dayton line.

Plat Map of Northern Pacific facilities at East St. Johns, Oregon, July 28, 1913, Sheet Number 2, Line Segment 645, showing the East Saint Johns yard.

Plat Map of Northern Pacific facilities at East St. Johns, Oregon, July 28, 1913, Sheet Number 1, Line Segment 645, showing the East Saint Johns yard.

Plat Map of Northern Pacific facilities at East Olympia, Washington, undated, Sheet Number 1, Line Segment 52, showing the Tacoma-Vancouver line.

Plat Map of Northern Pacific facilities at East Olympia, Washington, March 1, 1965, Sheet Number 2, Line Segment 52, showing the Tacoma-Vancouver line.

Plat Map of Northern Pacific facilities at East Olympia, Washington, March 1, 1965, Sheet Number 1, Line Segment 52, showing the Tacoma-Vancouver line.

Plat Map of Northern Pacific facilities at East Olympia, Washington, December 15, 1914, Sheet Number 1, Line Segment 52, showing the Tacoma-Vancouver line.

Plat Map of Northern Pacific facilities at East Olympia, Washington, December 15, 1914, Sheet Number 3, Line Segment 52, showing the Tacoma-Vancouver line.

Plat Map of Northern Pacific facilities at East Olympia, Washington, December 15, 1914, Sheet Number 2, Line Segment 52, showing the Tacoma-Vancouver line.

Plat Map of Northern Pacific facilities at East Olympia, Washington, December 15, 1914, Sheet Number 4, Line Segment 52, showing the Tacoma-Vancouver line.

Plat Map of Northern Pacific facilities at East Helena, Montana, April 10, 1941, Sheet Number 1, Line Segment 712, showing the East Helena yard, McClellan spur.

Plat Map of Northern Pacific facilities at East Helena, Montana, April 10, 1941, Sheet Number 2, Line Segment 712, showing the East Helena yard, McClellan spur.

Plat Map of Northern Pacific facilities at East Helena, Montana, April 10, 1941, Sheet Number 4, Line Segment 712, showing the East Helena yard, Great Northern interchange.

Plat Map of Northern Pacific facilities at East Helena, Montana, April 10, 1941, Sheet Number 3, Line Segment 712, showing the East Helena yard, smelter spur.

Plat Map of Northern Pacific facilities at East Helena, Montana, November 16, 1916, Sheet Number 1, Line Segment 712, showing the East Helena yard, smelter trackage, Great Northern mainline.

Plat Map of Northern Pacific facilities at East Helena, Montana, November 16, 1916, Sheet Number 2, Line Segment 712, showing the East Helena yard, smelter trackage.

Plat Map of Northern Pacific facilities at East Auburn, Washington, May 23, 1946, Sheet Number 1, Line Segment 677, showing the East Auburn yard.

Plat Map of Northern Pacific facilities at East Auburn, Washington, May 23, 1946, Sheet Number 2, Line Segment 677, showing the East Auburn yard, gravel spur.