Plat Map of Great Northern facilities at Helena, Montana, December 1, 1915, Sheet Number 2, Line Segment 713, showing the Great Northern, Northern Pacific mainlines.

Plat Map of Great Northern facilities at Helena, Montana, December 1, 1915, Sheet Number 1, Line Segment 713, showing the Great Northern, Northern Pacific mainlines.

Plat Map of Great Northern facilities at Helena, Montana, March 1, 1913, Sheet Number 1, Line Segment 713, showing the Great Northern fairgrounds spur.

Plat Map of Great Northern facilities at Helena, Montana, March 1, 1913, Sheet Number 2, Line Segment 713, showing the Great Northern, Northern Pacific mainlines, interchange.

Plat Map of Great Northern facilities at Hedlund Lumber Co., Washington, January 1, 1918, Sheet Number 1, Line Segment 376, showing the Boundary-Dean-Kettle Falls line.

Plat Map of Great Northern facilities at Hedlund Lumber Co., Washington, January 1, 1918, Sheet Number 2, Line Segment 376, showing the Boundary-Dean-Kettle Falls line.

Plat Map of Great Northern facilities at Hedgesville, Montana, January 1, 1915, Sheet Number 1, Line Segment 362, showing the Mossmain-Great Falls line.

Plat Map of Great Northern facilities at Hedgesville, Montana, January 1, 1915, Sheet Number 2, Line Segment 362, showing the Mossmain-Great Falls line.

Plat Map of Great Northern facilities at Havre, Montana, undated, Sheet Number 1, Line Segment 701, showing the Havre yard.

Plat Map of Great Northern facilities at Havre, Montana, undated, Sheet Number 2, Line Segment 701, showing the Havre yard, shop.