Plat Map of Great Northern facilities at Wolf Creek Quarry, Montana, undated, Drawing Number 11180, Sheet Number 1, Line Segment 722, showing the Great Falls-Butte line.

Plat Map of Great Northern facilities at Wolf Creek Quarry, Montana, undated, Drawing Number 11180, Sheet Number 2, Line Segment 722, showing the Great Falls-Butte line.

Plat Map of Great Northern facilities at Wolf Creek, Montana, November 1, 1967, Sheet Number 2, Line Segment 336, showing the Great Falls-Butte line.

Plat Map of Great Northern facilities at Wolf Creek, Montana, November 1, 1967, Sheet Number 1, Line Segment 336, showing the Great Falls-Butte line.

Plat Map of Great Northern facilities at Wolf Point, Montana, April 1, 1964, Sheet Number 3, Line Segment 35, showing the Minot-Pacific Junction line.

Plat Map of Great Northern facilities at Wolf Point, Montana, April 1, 1964, Sheet Number 4, Line Segment 35, showing the Minot-Pacific Junction line.

Plat Map of Great Northern facilities at Wolf Point, Montana, April 1, 1964, Sheet Number 1, Line Segment 35, showing the Minot-Pacific Junction line.

Plat Map of Great Northern facilities at Wolf Point, Montana, April 1, 1964, Sheet Number 2, Line Segment 35, showing the Minot-Pacific Junction line.

Plat Map of Great Northern facilities at Wolf Point, Montana, undated, Sheet Number 1, Line Segment 35, showing the Minot-Pacific Junction line.

Plat Map of Great Northern facilities at Wolf Point, Montana, undated, Sheet Number 2, Line Segment 35, showing the Minot-Pacific Junction line.