Great Northern Engineering Drawing: Ballast Deck, Bridge 517, West of Survant, Montana, undated
- US WaBuPNRA D0027-003-009-008-001-BB024329
- Item
- undated
Part of Timothy Miller Collection
Great Northern Engineering Drawing: Ballast Deck, Bridge 517, west of Survant, Montana, Line Segment 035, Milepost 370.9. Sheet 271 - 3297 - 9, undated.