Burlington Northern Engineering Drawing: Timber Drain Boxes, Drainage Boxes for Tunnels, undated
- US WaBuPNRA D0027-001-009-008-008-BB035985
- Item
- undated
Part of Timothy Miller Collection
Burlington Northern Engineering Drawing: Timber Drain Boxes, Drainage Boxes for Tunnels, Line Segment 999. Sheet 238 - 3016 - 32, undated.