Plat Map of Northern Pacific facilities at Hillhurst, Washington, May 12, 1892, Sheet Number 1, Line Segment 400, showing the 11th Street (Union Pacific Junction, Tacoma)-Tenino Junction line.

Plat Map of Northern Pacific facilities at Hesper, Montana, December 8, 1919, Sheet Number 1, Line Segment 363, showing the Hesper-Rapelje line.

Plat Map of Northern Pacific facilities at Hesper, Montana, December 8, 1919, Sheet Number 2, Line Segment 363, showing the Hesper-Rapelje line.

Plat Map of Northern Pacific facilities at Heron, Montana, June 16, 1931, Sheet Number 2, Line Segment 44, showing the Paradise-Kootenai line.

Plat Map of Northern Pacific facilities at Heron, Montana, June 16, 1931, Sheet Number 3, Line Segment 44, showing the Paradise-Kootenai line.

Plat Map of Northern Pacific facilities at Heron, Montana, June 16, 1931, Sheet Number 1, Line Segment 44, showing the Paradise-Kootenai line.

Plat Map of Northern Pacific facilities at Helena, Montana, August 1, 1933, Sheet Number 1, Line Segment 713, showing the Helena yard, fairgrounds.

Plat Map of Northern Pacific facilities at Helena, Montana, August 1, 1933, Sheet Number 2, Line Segment 713, showing the Helena yard, fairgrounds.

Plat Map of Northern Pacific facilities at Helena, Montana, September 30, 1931, Sheet Number 1, Line Segment 713, showing the Northern Pacific yard, Great Northern mainline.

Plat Map of Northern Pacific facilities at Helena, Montana, September 30, 1931, Sheet Number 2, Line Segment 713, showing the Northern Pacific yard, industry spurs, Great Northern mainline.