Plat Map of Great Northern facilities at Summit, Montana, April 1, 1929, Sheet Number 1, Line Segment 36, showing the Pacific Junction-Sandpoint Junction line.

Plat Map of Great Northern facilities at Summit, Montana, April 1, 1929, Sheet Number 2, Line Segment 36, showing the Pacific Junction-Sandpoint Junction line.

Plat Map of Great Northern facilities at Summit, Montana, April 1, 1929, Sheet Number 3, Line Segment 36, showing the Pacific Junction-Sandpoint Junction line.

Plat Map of Great Northern facilities at Sunburst, Montana, March 1, 1926, Drawing Number 61228-2, Sheet Number 1, Line Segment 354, showing the Great Falls-Sweet Grass line.

Plat Map of Great Northern facilities at Sunburst, Montana, March 1, 1926, Drawing Number 61228-2, Sheet Number 2, Line Segment 354, showing the Great Falls-Sweet Grass line.

Plat Map of Great Northern facilities at Sunburst, Montana, November 1, 1967, Sheet Number 2, Line Segment 354, showing the Great Falls-Sweet Grass line.

Plat Map of Great Northern facilities at Sunburst, Montana, November 1, 1967, Sheet Number 3, Line Segment 354, showing the Great Falls-Sweet Grass line.

Plat Map of Great Northern facilities at Sunburst, Montana, November 1, 1967, Sheet Number 1, Line Segment 354, showing the Great Falls-Sweet Grass line.

Plat Map of Great Northern facilities at Sundance, Montana, undated, Sheet Number 2, Line Segment 36, showing the Pacific Junction-Sandpoint Junction line.

Plat Map of Great Northern facilities at Sundance, Montana, undated, Sheet Number 1, Line Segment 36, showing the Pacific Junction-Sandpoint Junction line.