Plat Map of Northern Pacific Facilities at Helena, Montana, 1917
- US WaBuPNRA D0027-004-012-002-Plat012549
- Item
- June 14, 1917
Part of Timothy Miller Collection
Plat Map of Northern Pacific facilities at Helena, Montana, June 14, 1917, Sheet Number 4, Line Segment 713, showing the Northern Pacific mainline, Great Northern interchange.