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Plat Map of Northern Pacific Facilities at East Helena, Montana, 1916
Part of Timothy Miller Collection
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 Helena, Montana, 1916
Part of Timothy Miller Collection
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, 1941
Part of Timothy Miller Collection
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, 1941
Part of Timothy Miller Collection
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, 1941
Part of Timothy Miller Collection
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, 1941
Part of Timothy Miller Collection
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.